Massachusetts Schedule Y is the Other Deductions schedule that every full-year resident, part-year resident, and nonresident attaches to Form 1 or Form 1-NR/PY to claim deductions that do not appear directly on the main return, such as alimony paid, student loan interest, the commuter deduction, and self-employed health insurance. The schedule sits inside Massachusetts personal income tax law at M.G.L. Chapter 62, Section 3(B)(a) and is published each tax year by the Massachusetts Department of Revenue (DOR).
Getting Schedule Y wrong is expensive. The Massachusetts DOR processed roughly 3.9 million personal income tax returns in the most recent filing season, and DOR audit data shows that deduction-related adjustments are among the top three reasons for a Notice of Intent to Assess, with the average disallowed Schedule Y deduction triggering interest at the federal short-term rate plus 4% under M.G.L. c. 62C, § 32.
Here is what you will learn in this guide:
- 📋 What Schedule Y is, who must file it, and how it ties into Form 1 and Form 1-NR/PY
- 🧾 A line-by-line walkthrough of every box on the current Schedule Y, with sample entries
- 👤 Three full named-person scenarios showing what real filers enter end-to-end
- ⚠️ The ten most common Schedule Y mistakes and the exact penalty each one triggers
- ✅ How to file Schedule Y through MassTaxConnect, by mail, in person, by fax, and through tax software
What Schedule Y Is and Who Must File It
Massachusetts Schedule Y is the official “Other Deductions” attachment to the Massachusetts personal income tax return. It collects deductions authorized by M.G.L. c. 62, § 3(B)(a) that the legislature has carved out separately from the standard exemptions on the face of Form 1. The total from Schedule Y, Line 18 flows to Form 1, Line 15 (or Form 1-NR/PY, Line 19), where it directly reduces Massachusetts taxable 5% income.
You must file Schedule Y if you claim any of the eighteen deductions listed on the schedule. Common triggers include paying alimony under a pre-2019 divorce or separation instrument, paying student loan interest on an undergraduate or graduate loan, buying an MBTA pass or paying tolls above the commuter threshold, paying self-employed health insurance premiums, or contributing to a Massachusetts prepaid tuition or college savings plan. Schedule Y is also where you report the Health Savings Account deduction that mirrors the federal rules under IRC § 223.
Three filer profiles use Schedule Y most often. Full-year residents file it with Form 1 and apply every deduction line that fits their facts. Part-year residents and nonresidents file it with Form 1-NR/PY and must allocate certain deductions, such as the commuter deduction, only to the portion of the year they were Massachusetts taxpayers. Tax preparers filing on behalf of clients must still attach Schedule Y; the schedule is not optional just because the preparer enters totals into software.
The agency that receives Schedule Y is the Massachusetts DOR. The statute that requires it is M.G.L. c. 62, § 3(B)(a). The deadline that governs it is the same April 15 deadline that governs Form 1 (or the next business day if April 15 falls on a weekend or Massachusetts holiday like Patriots’ Day). The penalty that follows non-compliance is a disallowance of the deduction plus interest under M.G.L. c. 62C, § 32 and a possible accuracy-related penalty under M.G.L. c. 62C, § 35A.
Before You Start: Documents and Information You Need
Schedule Y looks short, but each line ties to a separate paper trail. Gathering these items before you open the form prevents the back-and-forth that triggers DOR correspondence audits. Read through the official Form 1 instructions booklet once before you start so you know which lines apply to your facts.
Pre-filing checklist:
- Your federal Form 1040 and federal Schedules 1, A, and C. Massachusetts piggybacks on several federal numbers, so an inconsistent federal return will trigger a DOR match notice. If your federal return is missing, the DOR cannot verify your alimony or student loan numbers.
- The recipient’s Social Security number for any alimony you paid. Line 1 requires the SSN of the person who received alimony under a pre-2019 decree. Without it, the DOR will disallow the deduction under M.G.L. c. 62, § 3(B)(a)(2).
- Form 1098-E for student loan interest. The lender’s statement is the only proof the DOR accepts for Lines 10 and 12. Without it, expect a Notice of Intent to Assess proposing full disallowance.
- Form 1098-T for tuition. This supports the undergraduate tuition deduction on Line 11 and must show qualified expenses in Box 1.
- Receipts for MBTA passes, tolls, and vanpool payments. Line 15 requires substantiation for amounts above the $150 threshold and below the $750 cap.
- Self-employed health insurance premium statements. Line 6 mirrors federal Schedule 1, Line 17, and the carrier’s annual statement is the cleanest evidence.
- HSA contribution statements (Form 5498-SA). Line 8 follows IRC § 223 limits, and the trustee statement proves you stayed under the cap.
- Massachusetts 529 plan year-end statement. Lines 16 and the U.Fund/U.Plan college savings deduction require the plan administrator’s statement.
- Gambling win and loss records, including W-2G forms. Line 17 caps gambling losses at the amount of Massachusetts state lottery winnings reported as income.
- Your prior-year Schedule Y. Continuity matters for carryover-style items and helps you spot deductions you may have missed last year.
Where to Get the Form and How to Access It
The current Schedule Y is published at the DOR Personal Income Tax Forms and Instructions page. The PDF carries a revision date in the lower-left corner; confirm you are using the version that matches your tax year before you write a single number. Filing the prior year’s revision is a top-three rejection reason at the DOR scanning center.
You can access Schedule Y five ways. First, download the fillable PDF directly from mass.gov. Second, open it inside MassTaxConnect when you start a Form 1 return online. Third, request a paper copy by calling DOR Customer Service at (617) 887-6367. Fourth, pick up a paper copy in person at the DOR Taxpayer Service Walk-In Center at 200 Arlington Street, Chelsea, MA 02150. Fifth, use any DOR-approved e-file software such as TurboTax, H&R Block, TaxAct, or FreeTaxUSA, which build Schedule Y into the Form 1 interview.
Tax preparers who file 11 or more Massachusetts returns are required to e-file under M.G.L. c. 62C, § 5, and Schedule Y rides along automatically inside the e-file packet. Pro se filers earning under the DOR Free File AGI threshold can file Schedule Y at no cost through the partner programs listed on mass.gov.
If you have a vision or hearing accommodation need, request an accessible PDF through the DOR ADA Coordinator so you receive a tagged file that screen readers can navigate.
Step-by-Step: How to Fill Out Massachusetts Schedule Y Line by Line
Schedule Y is organized as eighteen numbered lines plus a top header. Each line gets its own H3 below. Use the exact field names printed on the official form. Italicized text shows what the entry looks like on the line.
Top of Form: Name and Social Security Number
What the field asks in plain English. The header asks for your full legal name and SSN, plus your spouse’s name and SSN if you file jointly.
How to answer it. Print your name exactly as it appears on Form 1, Line 1, in all caps if you are filing on paper. Use the same SSN format as the federal return: XXX-XX-XXXX.
A specific example answer. Carlos Rivera writes RIVERA, CARLOS J and 123-45-6789 in the header.
A nuance or edge case. If you changed your name during the tax year (marriage or divorce), use the name on file with the Social Security Administration as of December 31. A mismatch with SSA records triggers an automatic name-control hold.
A common mistake on this field and its direct consequence. Filers leave the spouse SSN blank on a joint return. The DOR cannot match the schedule to the joint Form 1, and the entire schedule is rejected.
A misconception people hold about this field. Many filers think the header is optional because Schedule Y is an attachment. It is not; an unlabeled schedule is treated as an unattached schedule and disallowed.
Line 1: Amount Paid to Social Security, Medicare, Railroad, U.S., or Massachusetts Retirement Systems
What the field asks in plain English. This line asks how much you paid into qualifying public retirement systems during the year, up to the statutory cap.
How to answer it. Enter the total of FICA, Medicare tax, U.S. Railroad Retirement, and Massachusetts public retirement contributions, capped at $2,000 per filer under M.G.L. c. 62, § 3(B)(a)(4). Joint filers each get a separate $2,000 cap.
A specific example answer. Aisha Thompson, a Boston public school teacher who paid $4,800 to the Massachusetts Teachers’ Retirement System, writes 2,000 on Line 1.
A nuance or edge case. If you worked partly outside Massachusetts, only contributions tied to Massachusetts wages count.
A common mistake on this field and its direct consequence. Filers add their spouse’s contributions on the same line. The DOR caps each spouse separately, so combining understates one filer and overstates the other, leading to disallowance.
A misconception people hold about this field. Filers think 401(k) and 403(b) contributions count here. They do not; those are reflected on the federal W-2 in Box 12 and are already excluded from Massachusetts wages.
Line 2: Penalty on Early Savings Withdrawal
What the field asks in plain English. This line lets you deduct any early withdrawal penalty your bank charged when you broke a CD or other time deposit early.
How to answer it. Enter the amount from federal Schedule 1, Line 18. Cross-check the figure against your Form 1099-INT, Box 2.
A specific example answer. Marcus Lee, who broke a 24-month CD and paid a $312 penalty, writes 312 on Line 2.
A nuance or edge case. If the penalty was on a foreign-held deposit, it still qualifies as long as the interest was reportable to the IRS.
A common mistake on this field and its direct consequence. Filers enter brokerage trading fees here. Those are not “early withdrawal penalties,” so the DOR will disallow the entry under TIR 02-21.
A misconception people hold about this field. Filers believe early IRA withdrawal penalties under IRC § 72(t) belong here. They do not; those are reported on the federal Form 5329, not Massachusetts Line 2.
Line 3: Alimony Paid
What the field asks in plain English. Line 3 asks how much alimony you paid during the year and to whom.
How to answer it. Enter the dollar amount in the right column and the recipient’s full name and SSN in the space provided. The deduction is allowed only for divorce or separation instruments executed on or before December 31, 2018, under TIR 18-14.
A specific example answer. Janet Whitmore, divorced in 2012, paid $18,000 to her ex-spouse Robert Whitmore (SSN 987-65-4321). She writes ROBERT WHITMORE 987-65-4321 and 18,000 on Line 3.
A nuance or edge case. Modifications to a pre-2019 decree generally preserve deductibility unless the modification expressly adopts the post-TCJA federal rules.
A common mistake on this field and its direct consequence. Filers deduct child support along with alimony. Child support is never deductible, and the DOR will disallow the inflated portion plus assess interest.
A misconception people hold about this field. Filers think Massachusetts followed the federal Tax Cuts and Jobs Act in eliminating the alimony deduction. Massachusetts decoupled, so pre-2019 decrees still qualify under TIR 18-14.
Line 4: Amounts Excludible Under MGL Ch. 41, Sec. 111F or US Tax Treaty
What the field asks in plain English. This line lets injured public safety officers and certain treaty-protected nonresidents subtract income that Massachusetts excludes from tax.
How to answer it. Enter the dollar amount and write the statutory or treaty cite in the description box. Common entries are “M.G.L. c. 41, § 111F” for police and fire injury pay, or “U.S.–Canada Tax Treaty Art. XV” for cross-border wage exclusions.
A specific example answer. Officer Daniel Carter received $42,000 in injured-on-duty pay under c. 41, § 111F and writes 42,000 with description MGL 41 SEC 111F.
A nuance or edge case. The exclusion does not extend to standard sick pay or to disability retirement income; only injury-leave pay during recovery qualifies.
A common mistake on this field and its direct consequence. Filers attempt to exclude regular wages received while on light duty. The DOR will reclassify those wages as taxable and bill the additional tax plus interest.
A misconception people hold about this field. Filers believe any treaty mention is enough. The DOR requires the specific article number; a generic “tax treaty” entry leads to disallowance.
Line 5: Moving Expenses
What the field asks in plain English. Line 5 lets you deduct certain job-related moving expenses.
How to answer it. Enter the amount from federal Form 3903 if you qualify. Massachusetts decoupled partially from the TCJA, so non-military filers may still deduct under M.G.L. c. 62, § 3(B)(a)(15) when the move meets the distance and time tests.
A specific example answer. Priya Shah moved from Worcester to a new job in Springfield 55 miles away and writes 2,150 on Line 5 for truck rental and lodging.
A nuance or edge case. Active-duty military filers under PCS orders can claim the deduction without meeting the distance and time tests.
A common mistake on this field and its direct consequence. Filers include house-hunting trips and meals. Those have not been deductible since 1993, and the DOR disallows them automatically.
A misconception people hold about this field. Filers believe the federal TCJA repeal of the moving deduction also repealed Massachusetts’ version. Massachusetts decoupled, and the state deduction survived.
Line 6: Medical Savings Account / Health Savings Account Deduction
What the field asks in plain English. This line lets you deduct contributions to an Archer MSA or HSA.
How to answer it. Enter the amount from federal Schedule 1, Line 13 for HSAs and federal Form 8853 for MSAs. The cap follows IRC § 223 limits.
A specific example answer. Carlos Rivera, single with self-only HDHP coverage, contributed $4,150 to his HSA and writes 4,150 on Line 6.
A nuance or edge case. Catch-up contributions of $1,000 for filers age 55 and older flow through here automatically when you take the federal deduction.
A common mistake on this field and its direct consequence. Filers add employer HSA contributions made through a cafeteria plan. Those are already excluded from Box 1 wages, so adding them here double-counts the deduction, leading to disallowance.
A misconception people hold about this field. Filers think Flexible Spending Account (FSA) contributions belong here. FSAs are pre-tax payroll items, not Schedule Y items.
Line 7: Self-Employed Health Insurance Deduction
What the field asks in plain English. Line 7 lets self-employed filers deduct health, dental, and qualifying long-term-care premiums.
How to answer it. Enter the amount from federal Schedule 1, Line 17. The deduction cannot exceed your net self-employment earnings.
A specific example answer. Janet Whitmore, a sole-proprietor consultant, paid $9,600 in marketplace premiums and writes 9,600 on Line 7.
A nuance or edge case. S-corporation shareholder-employees who own more than 2% of the company report premiums on Form W-2, Box 1, and may deduct here if the policy is in the corporation’s name.
A common mistake on this field and its direct consequence. Filers deduct premiums for any month they were eligible for an employer plan through a spouse. That eligibility disqualifies the month, and the DOR will disallow the prorated portion.
A misconception people hold about this field. Filers believe the deduction is unlimited. It is capped at net self-employment income, and any excess is lost.
Line 8: Certain Business Expenses of National Guard and Reserve Members, Performing Artists, and Fee-Basis Government Officials
What the field asks in plain English. This line restores the federal above-the-line deduction for limited categories of workers.
How to answer it. Enter the amount from federal Form 2106 that flows through federal Schedule 1, Line 12.
A specific example answer. Aisha Thompson, a Massachusetts National Guard sergeant who traveled 120 miles to drill weekends, writes 1,420 on Line 8.
A nuance or edge case. Only travel more than 100 miles from home for Guard or Reserve duty qualifies; closer drills do not.
A common mistake on this field and its direct consequence. Filers without Form 2106 documentation claim the deduction. The DOR routinely requests the form, and missing documentation leads to full disallowance.
A misconception people hold about this field. Filers think any artist can claim the performing-artist deduction. The federal AGI cap of $16,000 applies, and most working artists exceed it.
Line 9: Student Loan Interest Deduction (Federal)
What the field asks in plain English. Line 9 carries over the federal student loan interest deduction from federal Schedule 1, Line 21.
How to answer it. Enter the amount, capped at $2,500 federally.
A specific example answer. Marcus Lee paid $1,820 in interest reported on Form 1098-E and writes 1,820 on Line 9.
A nuance or edge case. If your federal AGI phases out the federal deduction, Line 9 is zero, but you may still qualify for Massachusetts’ broader Line 12 deduction.
A common mistake on this field and its direct consequence. Filers double-claim the same dollars on both Line 9 and Line 12. The DOR systematically catches this and disallows the duplicate.
A misconception people hold about this field. Filers believe Line 9 covers all student loans. It only covers loans that meet the federal IRC § 221 definition of a qualified education loan.
Line 10: College Tuition Deduction
What the field asks in plain English. Line 10 lets Massachusetts residents deduct undergraduate tuition paid above 25% of Massachusetts AGI.
How to answer it. Use the College Tuition Deduction Worksheet in the Form 1 instructions. Subtract scholarships and 25% of AGI from total qualified tuition.
A specific example answer. Priya Shah paid $14,000 in undergraduate tuition with no scholarships, AGI of $40,000, so 25% of AGI is $10,000. She writes 4,000 on Line 10.
A nuance or edge case. Only tuition at a two- or four-year college qualifies; vocational programs and review courses do not.
A common mistake on this field and its direct consequence. Filers deduct room and board. Only tuition and mandatory fees qualify under TIR 97-13. Adding room and board triggers disallowance.
A misconception people hold about this field. Filers think Form 1098-T, Box 5 scholarships do not reduce the deduction. They do; tax-free scholarships must be subtracted before the 25% AGI floor.
Line 11: Undergraduate Student Loan Interest Deduction
What the field asks in plain English. Line 11 lets Massachusetts residents deduct interest on undergraduate loans without the federal $2,500 cap.
How to answer it. Enter the full interest paid on qualified Massachusetts undergraduate loans, supported by Form 1098-E. Subtract any amount already taken on Line 9 to avoid duplication.
A specific example answer. Janet Whitmore paid $4,200 in undergraduate loan interest, took $2,500 on Line 9, and writes 1,700 on Line 11.
A nuance or edge case. Only loans used for undergraduate study qualify; graduate loans belong on Line 12 if at all.
A common mistake on this field and its direct consequence. Filers include parent PLUS loan interest paid by the student. Only the legally obligated borrower can deduct, so the DOR disallows interest where the student is not on the note.
A misconception people hold about this field. Filers think Massachusetts caps the deduction. There is no cap as long as the loan and interest qualify.
Line 12: Deductible Amount of Qualified Contributory Pension Income from Another State or Political Subdivision
What the field asks in plain English. This line lets you back out pension income that another state already taxed under a reciprocity rule.
How to answer it. Enter the qualifying pension amount and attach a brief statement identifying the state and statute.
A specific example answer. Marcus Lee, a former New York state employee, received $9,000 in NY pension and writes 9,000 on Line 12.
A nuance or edge case. Only pensions from states that grant a reciprocal exemption to Massachusetts retirees qualify; Massachusetts publishes the reciprocal state list.
A common mistake on this field and its direct consequence. Filers deduct private pensions. Only qualifying public pensions count, and the DOR will reclassify and tax the rest.
A misconception people hold about this field. Filers believe any out-of-state pension qualifies. Reciprocity is the controlling factor.
Line 13: Claim of Right Deduction
What the field asks in plain English. Line 13 gives relief when you repay income reported and taxed in a prior year.
How to answer it. Enter the repaid amount that exceeds $3,000, supported by proof of repayment under TIR 06-4.
A specific example answer. Carlos Rivera repaid a $7,500 signing bonus and writes 7,500 on Line 13.
A nuance or edge case. If the repayment is under $3,000, the deduction is taken instead as a federal miscellaneous itemized deduction (now suspended), so Line 13 yields no benefit.
A common mistake on this field and its direct consequence. Filers deduct repayments of nontaxable items. The original income must have been taxed, or the deduction is disallowed.
A misconception people hold about this field. Filers think they can take a tax credit instead. Massachusetts only allows a deduction here, not a credit.
Line 14: Commuter Deduction
What the field asks in plain English. Line 14 lets Massachusetts residents and certain commuters deduct MBTA passes, regional transit passes, and tolls paid via E-ZPass MA.
How to answer it. Add MBTA pass costs, regional transit authority passes, and Massachusetts tolls. Subtract the $150 floor and cap the deduction at $750 per filer under M.G.L. c. 62, § 3(B)(a)(15).
A specific example answer. Aisha Thompson paid $1,260 for an MBTA monthly LinkPass and writes 750 on Line 14 (capped).
A nuance or edge case. Joint filers each get a separate $150 floor and $750 cap, so a married couple can deduct up to $1,500 combined.
A common mistake on this field and its direct consequence. Filers include parking and gasoline. Neither qualifies, and the DOR will adjust to zero if the entire entry is parking.
A misconception people hold about this field. Filers think out-of-state tolls qualify. Only Massachusetts tolls and MBTA/regional passes count.
Line 15: Human Organ Donation Deduction
What the field asks in plain English. Line 15 lets living organ donors deduct unreimbursed travel, lodging, and lost wages tied to the donation.
How to answer it. Enter the unreimbursed expenses up to $10,000 under M.G.L. c. 62, § 3(B)(a)(16).
A specific example answer. Priya Shah donated a kidney, missed two weeks of work, and writes 4,800 on Line 15.
A nuance or edge case. Bone marrow donations qualify the same way as solid organ donations.
A common mistake on this field and its direct consequence. Filers deduct expenses reimbursed by the recipient or insurance. Only unreimbursed amounts count, and reimbursement must be backed out.
A misconception people hold about this field. Filers think the $10,000 cap is per lifetime. It is per donation event.
Line 16: Certain Gambling Losses
What the field asks in plain English. Line 16 lets you deduct losses from a Massachusetts state lottery or licensed casino, up to the amount of winnings reported as Massachusetts income.
How to answer it. Enter your documented losses, capped at total Massachusetts gambling winnings included in Massachusetts gross income under TIR 15-14.
A specific example answer. Marcus Lee won $3,200 at Encore Boston Harbor, lost $5,000 over the year, and writes 3,200 on Line 16.
A nuance or edge case. Losses at out-of-state casinos and online sportsbooks do not qualify unless the operator is licensed by the Massachusetts Gaming Commission.
A common mistake on this field and its direct consequence. Filers deduct lottery ticket purchases as losses without winnings. With zero winnings, the deduction is zero.
A misconception people hold about this field. Filers believe scratch-ticket losses can offset W-2 wages. Gambling losses only offset gambling winnings.
Line 17: Prepaid Tuition or College Savings Program Deduction
What the field asks in plain English. Line 17 lets you deduct contributions to the Massachusetts U.Fund 529 plan and the U.Plan prepaid tuition program.
How to answer it. Enter contributions up to $1,000 single or $2,000 joint under M.G.L. c. 62, § 3(B)(a)(19).
A specific example answer. Janet Whitmore contributed $2,500 to her child’s U.Fund and writes 1,000 on Line 17 (capped at single-filer limit).
A nuance or edge case. Only contributions to Massachusetts-sponsored plans qualify; out-of-state 529 plans do not.
A common mistake on this field and its direct consequence. Filers deduct rollovers from another state’s 529. Rollovers do not count as new contributions, and the DOR will disallow.
A misconception people hold about this field. Filers think the cap is per beneficiary. It is per filer regardless of how many children you fund.
Line 18: Total Deductions
What the field asks in plain English. Line 18 totals every deduction from Lines 1 through 17 and transfers the figure to Form 1, Line 15.
How to answer it. Add Lines 1 through 17 carefully and transcribe the sum to Form 1, Line 15 or Form 1-NR/PY, Line 19.
A specific example answer. Carlos Rivera totals $4,150 (HSA) + $1,820 (federal student loan interest) + $750 (commuter) and writes 6,720 on Line 18.
A nuance or edge case. Part-year residents must allocate Line 18 by the Massachusetts residency fraction on Form 1-NR/PY, Schedule R/NR.
A common mistake on this field and its direct consequence. Filers transcribe a different number on Form 1, Line 15. The mismatch triggers a math-error notice and a recalculated tax bill.
A misconception people hold about this field. Filers believe the DOR will fix small math errors silently. The DOR sends a Notice of Change explaining the adjustment, and any additional tax accrues interest from the original due date.
Three Filled-Out Examples Using Real Scenarios
Scenario 1: Carlos Rivera — Self-Employed HSA Contributor in Boston
| Form Section | What Carlos Enters |
|---|---|
| Header — Name and SSN | RIVERA, CARLOS J / 123-45-6789 |
| Line 1 — Public retirement | 0 (not applicable, self-employed) |
| Line 6 — HSA deduction | 4,150 |
| Line 7 — SE health insurance | 7,200 |
| Line 9 — Federal student loan interest | 1,820 |
| Line 14 — Commuter deduction | 750 |
| Line 13 — Claim of right | 0 |
| Line 18 — Total | 13,920 |
Scenario 2: Janet Whitmore — Divorced Filer with Pre-2019 Decree and 529
| Form Section | What Janet Enters |
|---|---|
| Header — Name and SSN | WHITMORE, JANET L / 222-33-4444 |
| Line 3 — Alimony paid | 18,000 (recipient ROBERT WHITMORE 987-65-4321) |
| Line 7 — SE health insurance | 9,600 |
| Line 11 — Undergraduate loan interest | 1,700 |
| Line 14 — Commuter deduction | 420 |
| Line 17 — U.Fund 529 contribution | 1,000 |
| Line 16 — Massachusetts gambling losses | 0 |
| Line 18 — Total | 30,720 |
Scenario 3: Aisha Thompson — Boston Teacher and National Guard Sergeant
| Form Section | What Aisha Enters |
|---|---|
| Header — Name and SSN | THOMPSON, AISHA K / 555-66-7777 |
| Line 1 — Massachusetts retirement (capped) | 2,000 |
| Line 8 — Guard travel over 100 miles | 1,420 |
| Line 9 — Federal student loan interest | 2,500 |
| Line 11 — Undergraduate loan interest above federal cap | 900 |
| Line 14 — MBTA LinkPass (capped) | 750 |
| Line 15 — Organ donation expenses | 0 |
| Line 18 — Total | 7,570 |
How to File the Completed Schedule Y
Schedule Y is filed as an attachment to Form 1 or Form 1-NR/PY. You cannot file Schedule Y by itself. Choose the channel that matches your main return.
Online via MassTaxConnect. Log in at mtc.dor.state.ma.us, open your Form 1 return, and complete the Schedule Y screens. There is no fee. Acknowledgment arrives within 24 hours, and full processing typically completes in 4–6 weeks. Save the confirmation number as proof of filing.
Online via approved e-file software. TurboTax, H&R Block, TaxAct, FreeTaxUSA, and other DOR-approved vendors include Schedule Y in the Form 1 interview. Software fees vary from $0 (FreeTaxUSA) to roughly $80 (TurboTax Deluxe). Refunds typically arrive in 4–6 weeks. Keep the software’s e-file acknowledgment as proof.
By mail. Mail Form 1 with Schedule Y stapled behind it to Massachusetts Department of Revenue, PO Box 7000, Boston, MA 02204 if you are due a refund or owe nothing. Mail to Massachusetts Department of Revenue, PO Box 7003, Boston, MA 02204 if you owe tax. There is no filing fee. Use certified mail with return receipt; that green card is your proof of filing under M.G.L. c. 62C, § 33. Processing of paper returns takes 8–12 weeks.
In person. Hand-deliver to the DOR Walk-In Center at 200 Arlington Street, Chelsea, MA 02150 during posted hours. Bring two copies; the clerk date-stamps one and returns it. No fee. Processing time matches mail.
By fax. Fax filing is generally not accepted for the original Form 1 and Schedule Y. The DOR accepts fax only for documents requested by an examiner during an audit, transmitted to the fax number printed on the examiner’s letter.
Pay any balance due by ACH debit through MassTaxConnect, by credit or debit card via the DOR-approved payment processor (a 2.35% convenience fee applies), or by check made payable to “Commonwealth of Massachusetts” with your SSN and “2025 Form 1” written on the memo line.
What Happens After You File
After filing, the DOR’s e-file system runs a math and consistency check within 24–72 hours. If Schedule Y, Line 18 does not match Form 1, Line 15, you will receive a Notice of Change by mail explaining the adjustment.
If your return clears the consistency check, refunds for direct deposit typically arrive within 4–6 weeks for e-filed returns and 8–12 weeks for paper. You can track status at the Where’s My Refund tool with your SSN, refund amount, and tax year.
If the DOR has questions about Schedule Y, you may receive a Request for Information letter asking for Form 1098-E, Form 1098-T, or other substantiation. You have 30 days to respond. Failing to respond converts the proposed adjustment into a Notice of Intent to Assess under M.G.L. c. 62C, § 26.
If you discover an error after filing, file Form CA-6 (Application for Abatement) within three years of the original due date. The form lets you correct Schedule Y entries and request a refund of overpaid tax.
Mistakes to Avoid When Filling Out Schedule Y
- Using last year’s revision of Schedule Y. Older revisions miss new lines, and the DOR scanner kicks them out for re-keying, delaying refunds by months.
- Forgetting the recipient’s SSN on Line 3 alimony. The DOR disallows the entire alimony deduction without it.
- Double-claiming student loan interest on Lines 9 and 11. The DOR’s match program flags duplicates and reverses the smaller line, plus interest.
- Exceeding the $750 commuter cap on Line 14. Anything above $750 is automatically reduced and a notice is issued.
- Including parking in the commuter deduction. Only MBTA passes, regional passes, and Massachusetts tolls qualify; parking is reversed on audit.
- Claiming non-Massachusetts gambling losses on Line 16. Only losses tied to Massachusetts winnings qualify, and out-of-state losses are reversed.
- Deducting child support as alimony. This is reversed instantly via cross-match and may trigger an accuracy penalty.
- Skipping the College Tuition Deduction Worksheet for Line 10. Without it, the entire deduction is disallowed.
- Forgetting to transfer Line 18 to Form 1, Line 15. A blank Line 15 means the schedule does nothing, and you overpay tax.
- Failing to attach Schedule Y to the return. A standalone Form 1 with no attached Schedule Y means the DOR cannot honor the deductions, even if Line 15 shows a number.
Do’s and Don’ts
Do’s
- Do confirm the revision date matches the tax year, because filing the wrong year is grounds for rejection.
- Do gather Form 1098-E, 1098-T, and 5498-SA before you start so you do not estimate.
- Do enter the alimony recipient’s SSN on Line 3, because the deduction dies without it.
- Do separate undergraduate loan interest (Line 11) from federal student loan interest (Line 9) to avoid duplication.
- Do save MBTA receipts for at least three years, because that is the DOR statute-of-limitations window for audit.
- Do total Line 18 twice and transcribe carefully to Form 1, Line 15, because the most common error is a transcription mistake.
Don’ts
- Don’t claim the alimony deduction on a post-2018 divorce decree, because Massachusetts only honors pre-2019 instruments under TIR 18-14.
- Don’t include parking or gas in the commuter deduction, because they are not authorized expenses.
- Don’t deduct gambling losses without matching Massachusetts winnings, because the cap is the winnings amount.
- Don’t file Schedule Y without the main Form 1, because the schedule has no standalone effect.
- Don’t ignore DOR Request for Information letters, because non-response converts proposed adjustments into final assessments.
- Don’t paper-file if you can e-file, because paper processing runs three times longer than electronic.
Pros and Cons of Filing Schedule Y on Your Own vs. With Help
Pros of filing on your own
- You save $200–$500 in preparer fees, which matters for filers with simple Schedule Y entries.
- You learn the deductions firsthand, which helps you plan next year’s contributions.
- DOR Free File and FreeTaxUSA support Schedule Y at no cost for most filers.
- You control the timing and can file the moment your W-2 and 1099s arrive.
- You avoid sharing sensitive financial data with a third party.
Cons of filing on your own
- You bear full responsibility for errors, and accuracy penalties under M.G.L. c. 62C, § 35A run 20% of the underpayment.
- Multi-state Schedule Y allocations are easy to miscalculate without preparer software.
- Self-employed Line 7 health insurance interactions with Schedule HC are tricky for first-timers.
- Audit defense is on you if the DOR questions Line 3 alimony or Line 16 gambling losses.
- You may miss legitimate deductions a preparer would catch through interview.
FAQs
Do I have to file Schedule Y if I take none of the deductions?
No. You can skip Schedule Y entirely if no Lines 1 through 17 apply, but most Massachusetts filers qualify for at least the commuter or HSA deduction.
Can I deduct alimony I started paying in 2020?
No. Massachusetts followed federal TCJA timing on this point only for instruments executed after December 31, 2018, so post-2018 alimony is not deductible.
Do I list the alimony recipient’s SSN in Box 3?
Yes. The recipient’s full name and SSN go on Line 3; without them, the DOR disallows the deduction in full.
Is the commuter deduction capped at $750 per person?
Yes. Each filer has a $750 cap and a $150 floor, so joint filers can deduct up to $1,500 combined.
Can I deduct a U.Fund contribution made by a grandparent?
No. Only the account owner who made the contribution can deduct, and only to the extent the owner files a Massachusetts return.
Are out-of-state 529 plan contributions deductible?
No. Only contributions to Massachusetts-sponsored U.Fund or U.Plan accounts qualify under M.G.L. c. 62, § 3(B)(a)(19).
Do I need Form 1098-E to claim Line 11 undergraduate loan interest?
Yes. The DOR requires the lender’s statement; without it, expect a Notice of Intent to Assess proposing full disallowance.
Can I claim Line 16 gambling losses on DraftKings sportsbook bets?
Yes. Sportsbook losses with operators licensed by the Massachusetts Gaming Commission qualify, but only up to your Massachusetts winnings.
Do I deduct room and board on Line 10 college tuition?
No. Only tuition and mandatory fees count; room, board, and books fall outside the deduction under TIR 97-13.
Is the HSA cap on Line 6 the same as the federal cap?
Yes. Massachusetts follows IRC § 223 limits, including the $1,000 catch-up for filers age 55 and older.
Can a part-year resident claim the full $750 commuter deduction?
No. Part-year residents must prorate Line 14 to the days of Massachusetts residency on Schedule R/NR.
What happens if Line 18 does not match Form 1, Line 15?
No. The numbers must match exactly; a mismatch generates a Notice of Change and a recalculated tax bill that accrues interest from the original due date.
Do I attach receipts to Schedule Y when I e-file?
No. Keep receipts for three years; the DOR requests them only on audit, but you must produce them within 30 days when asked.
Is alimony I paid to a recipient living outside Massachusetts still deductible?
Yes. The recipient’s residency does not matter; only the date of the original divorce or separation instrument matters under TIR 18-14.
Related reading
- How to Fill Out Massachusetts Form 1 (w/Examples) + FAQs
- How to Fill Out Massachusetts Form Schedule B (w/Examples) + FAQs
- How to Fill Out Massachusetts Form Schedule C (w/Examples) + FAQs
- How to Fill Out Massachusetts Form Schedule E (w/Examples) + FAQs
- How to Fill Out Massachusetts Form Schedule HC (w/Examples) + FAQs
- How to Fill Out Massachusetts Form Schedule X (w/Examples) + FAQs