Michigan Form MI-1040-ES is the Estimated Income Tax Voucher for Individuals that Michigan residents, part-year residents, and nonresidents use to pay state income tax in four installments when their tax is not collected through withholding. The Michigan Department of Treasury requires this voucher when you expect to owe more than $500 after subtracting credits and withholding for the 2026 tax year.
You file MI-1040-ES so the state receives tax money as you earn income, not in one lump sum at year-end. Skip it, underpay it, or miss a quarter, and you trigger interest plus a penalty under Michigan Compiled Laws §206.681, calculated on Form MI-2210.
According to the Michigan Treasury’s 2024 Annual Report, more than 310,000 Michigan taxpayers sent in estimated payments last filing cycle, and Treasury issued underpayment penalties on roughly 8% of returns that owed estimated tax. That’s tens of millions of dollars in avoidable penalties.
Here is what this guide covers:
- 📋 What MI-1040-ES is, who must file it, and the $500 safe-harbor threshold
- 🗓️ The four 2026 due dates and how to compute each quarter using the 2026 instructions
- ✍️ A line-by-line walkthrough of every box on the voucher with sample entries
- 👩💼 Three full filer scenarios — a freelancer, a retired couple, and a landlord
- ⚠️ The top mistakes that trigger MI-2210 penalties and how to avoid them
What MI-1040-ES Is and Who Must File It
MI-1040-ES is the prepayment voucher Michigan uses to collect personal income tax from people whose income is not fully covered by employer withholding. The form is authorized under the Michigan Income Tax Act of 1967, specifically MCL 206.301, which requires anyone who expects to owe more than $500 to make quarterly payments. The current revision is the 2026 MI-1040-ES, dated for tax years beginning January 1, 2026.
You must file MI-1040-ES if you receive income with no Michigan tax withheld and you expect your 2026 Michigan tax liability to exceed $500 after credits and withholding. This rule mirrors the federal estimated tax rule under IRC §6654, but Michigan has its own threshold and its own flat tax rate of 4.25% for 2026, set by Treasury under Revenue Administrative Bulletin 2023-9.
Who typically files this form
- Self-employed individuals and freelancers reporting Schedule C income
- Retirees drawing pensions, IRA distributions, or annuity payments without Michigan withholding
- Landlords reporting rental income on Schedule E
- Investors realizing capital gains, dividends, or interest above modest amounts
- Partners and S-corporation shareholders receiving K-1 income
- Gig-economy workers driving for Uber, Lyft, DoorDash, or Instacart
- Part-year residents and nonresidents earning Michigan-source income
The role this form plays
The voucher and accompanying check (or electronic payment) tell Treasury who you are, what tax year the payment applies to, and which quarter you are paying. Without the voucher data — name, Social Security number, period — Treasury cannot post the payment correctly to your account, and your money may sit unapplied. That is why the voucher is more than a coupon; it is the routing slip for your prepayment.
Before You Start: Documents and Information You Need
Filling out MI-1040-ES correctly starts with gathering a small but specific stack of documents. Walk into the form without these, and you will guess at numbers, which is the leading cause of underpayment penalties under MCL 206.683. The official 2026 instructions list the inputs, but most filers miss at least two.
Pre-filing checklist
- Your prior-year MI-1040. It anchors the safe-harbor calculation; without it, you cannot use the 100%-of-last-year shortcut.
- Your Social Security number and your spouse’s SSN if filing jointly. Mismatched SSNs cause Treasury to suspend the payment, and you accrue interest while it sits.
- A current Michigan address. Treasury mails refund checks and notices here; an outdated address means missed correspondence and missed deadlines.
- An income projection for 2026. Estimate gross income, deductions, and credits so the worksheet on page 2 of MI-1040-ES produces a real number, not a guess.
- Your 2026 federal Form 1040-ES worksheet. Federal AGI flows into the Michigan calculation, so finishing the federal worksheet first saves time.
- Pension and retirement statements (1099-R). Michigan’s retirement subtraction rules under MCL 206.30 directly reduce taxable income and your quarterly payment.
- Records of city tax obligations. Detroit, Grand Rapids, and other common-form cities require separate estimated vouchers; do not roll city tax into MI-1040-ES.
- Bank routing and account numbers if you plan to pay via Michigan eServices ACH debit.
- A calendar with the four due dates circled: April 15, 2026; June 15, 2026; September 15, 2026; and January 15, 2027.
Why each item matters
Missing the prior-year return forces you onto the 90%-of-current-year rule, which is harder to estimate accurately. Missing the federal worksheet leads to inconsistent AGI between the two filings, which sometimes triggers a Treasury notice. Missing the city distinction is the single most common rookie error; Treasury will not forward your MI-1040-ES money to the City of Detroit.
Where to Get the Form and How to Access It
The official 2026 MI-1040-ES PDF lives on the Michigan Department of Treasury’s forms page under “Individual Income Tax Forms.” Always download from michigan.gov directly; third-party copies sometimes lag a revision behind, and an old voucher with the prior year’s scan-line will be misposted.
Three ways to obtain the form
You can download and print the PDF, request a paper copy by calling Treasury at 517-636-4486, or pick up a copy at any Michigan Treasury field office. The PDF is the fastest route and contains all four vouchers plus the worksheet.
Filing the form electronically
Most filers skip paper entirely and submit through the Michigan Treasury Online (MTO) portal or the eServices Individual Income Tax page. Electronic filers do not need to mail a voucher because the portal generates the routing data automatically. Software like TurboTax, H&R Block, and TaxAct can also schedule MI-1040-ES payments, but you should still confirm posting through MTO.
Reading the revision date
In the upper-right corner of the voucher, you will see “(Rev. 09-25)” for the 2026 form. If your PDF shows an earlier date, discard it. Filing on a stale form does not invalidate the payment, but it does increase the chance of a posting error and a Treasury follow-up letter.
Step-by-Step: How to Fill Out MI-1040-ES Line by Line
The voucher itself is short — eight fields plus a worksheet. The art is in the worksheet on page 2, which calculates the number you write in the “Amount of Payment” box. Each H3 below maps to one item on the official 2026 form.
Box 1: Tax Year
The form asks which tax year the voucher applies to. Enter 2026 in the four-digit year box at the top of the voucher. Maria Lopez, a Lansing freelancer, writes 2026 on her April 15 voucher. If you are paying for a fiscal-year filing instead of a calendar year, enter the year in which the fiscal year ends, not the year it begins. The most common mistake is leaving this blank, which causes Treasury to apply the payment to the year the check is received — sometimes the wrong year. The misconception filers carry is that “Treasury will figure it out from the postmark.” It will not; the year box drives posting.
Box 2: Quarter (Voucher Number)
Each of the four vouchers in the PDF is pre-numbered 1, 2, 3, or 4. Tear off the correct voucher for the quarter you are paying — Voucher 1 for April, Voucher 2 for June, Voucher 3 for September, Voucher 4 for January. Carlos Reyes, a Detroit landlord, mails Voucher 2 with his June 15 payment. The edge case is when you start filing mid-year; if you first owe estimates in July, you skip Voucher 1 and start with Voucher 3 covering the September deadline. The common mistake is mailing two checks with the same voucher; only one quarter posts, and the second sits as an “unidentified payment.” The misconception is that you can write “Q2” on a generic check; you cannot — the scan line on each voucher is unique.
Box 3: Filer’s Social Security Number
This box demands the primary filer’s nine-digit SSN with no dashes in the scan area. Format: 123456789. Janet Kim, a retiree in Traverse City, writes her own SSN here even though she files jointly with her husband. The nuance: the SSN you enter must match the SSN that will appear first on your eventual MI-1040 return. The mistake is putting your spouse’s SSN here when she is actually the secondary filer; Treasury will post to the wrong account. The misconception is that ITINs work the same way as SSNs — they do, but only if you enter the ITIN in this box and use the same ITIN on the annual return.
Box 4: Spouse’s Social Security Number
If filing jointly, enter the spouse’s SSN here in the same nine-digit format. If filing separately or single, leave it blank. Aisha and Marcus Bell, a married couple in Ann Arbor, both write each other’s SSNs on the joint voucher. The edge case is a married-filing-separately couple; each spouse needs their own MI-1040-ES with only their own SSN listed. The mistake is using a Social Security number for a non-spouse dependent here; Treasury rejects the voucher. The misconception is that “spouse” means anyone you live with — Michigan follows the federal definition of spouse for tax purposes under MCL 206.30.
Box 5: Filer’s Name
Enter your full legal name as it appears on your Social Security card, last name first. Format: LOPEZ MARIA E. Maria writes LOPEZ MARIA E in capital letters within the boxes. The nuance: if you recently changed your name through marriage or court order, the name on your voucher must match the name on file with the Social Security Administration, or Treasury cross-checks will fail. The mistake is using a nickname like “Mary” instead of “Maria”; the scan does not match and the payment is held. The misconception is that name format does not matter on a voucher because “the SSN identifies you.” Both fields must agree, or the payment lands in suspense.
Box 6: Spouse’s Name
If filing jointly, enter the spouse’s full legal name in the same last-first format. Janet Kim writes KIM ROBERT J below her own name. The edge case is a hyphenated last name; include the hyphen exactly as it appears on the SSA record. The mistake is omitting the spouse’s middle initial when it appears on the SSA card; this can trigger a name-control mismatch. The misconception is that the spouse listed on the voucher locks you into joint filing — it does not; you can still split the year-end return into MFS if circumstances change.
Box 7: Home Address
Enter your current Michigan street address, city, state (MI), and ZIP. Format: 1234 MAPLE ST, GRAND RAPIDS, MI 49503. Carlos enters 5500 WOODWARD AVE APT 4B, DETROIT, MI 48202. The edge case is a P.O. Box: Treasury accepts a P.O. Box, but include it as the only address line, and put the post-office city on the city line. The mistake is using an out-of-state address while still claiming Michigan residency; Treasury may flag your residency status and ask for a Schedule NR at year-end. The misconception is that the address on the voucher controls your residency; residency is determined by domicile under MCL 206.18, not by the voucher.
Box 8: Amount of Payment
This is the dollar amount you are sending with this voucher, written in whole dollars only — no cents. Format: 2,150. Maria writes 2,150 after running the worksheet. The nuance: round up to the next whole dollar so you are never one penny short of safe harbor. The mistake is writing the annual estimated tax in this box instead of the quarterly installment; that quadruples your payment and causes a refund mess. The misconception is that you must pay equal amounts each quarter — Michigan allows the annualized income installment method under MCL 206.681(3), which lets seasonal earners pay more in high-income quarters.
Worksheet Line 1: Estimated Total Income
On the worksheet on page 2, enter your projected 2026 federal AGI plus Michigan additions. Marcus Bell, an Uber driver, projects $78,000. The nuance: include all sources — wages, self-employment, interest, dividends, capital gains, rental, and K-1 income. The mistake is using last year’s AGI without adjusting for income changes; if your business grew 30%, your withholding will fall short. The misconception is that this number must be exact; it is an estimate, and you can update it on the next quarter’s voucher.
Worksheet Line 2: Michigan Additions
Add interest from non-Michigan municipal bonds and other items listed on Schedule 1. Janet adds $0 because all her bonds are Michigan-issued. The nuance: out-of-state municipal bond interest is the most-overlooked addition. The mistake is forgetting bond fund distributions that mix Michigan and non-Michigan bonds. The misconception is that all municipal interest is tax-free in Michigan; only Michigan-issued bonds are.
Worksheet Line 3: Michigan Subtractions
Subtract eligible items: Social Security, qualified pensions under the retirement subtraction, military pay, and others. Robert Kim subtracts $45,000 in private pension under the Tier 3 retirement subtraction phase-in for 2026 set by Public Act 4 of 2023. The nuance: the retirement subtraction phases up each year through 2026, so the amount is bigger this year than last. The mistake is missing the subtraction entirely and overpaying. The misconception is that all pensions qualify; IRA distributions before age 59½ generally do not.
Worksheet Line 4: Taxable Income
Subtract personal exemptions ($5,800 per exemption for 2026, adjusted under MCL 206.30(2)). The nuance: each dependent counts. The mistake is forgetting to add a new baby born in 2026; you lose the exemption. The misconception is that the exemption is the same as the federal personal exemption — federal personal exemptions are zero for 2026; Michigan still has them.
Worksheet Line 5: Michigan Income Tax
Multiply Line 4 by 4.25% (0.0425). Maria multiplies $60,000 × 0.0425 = $2,550. The nuance: the rate is flat regardless of income. The mistake is using last year’s rate if it changed mid-year under the income tax rollback trigger. The misconception is that Michigan has brackets; it does not.
Worksheet Line 6: Credits
Subtract refundable and nonrefundable credits — the Homestead Property Tax Credit, Home Heating Credit, and Earned Income Tax Credit (now 30% of the federal EITC under Public Act 4 of 2023). The nuance: the EITC match is huge for low-income filers. The mistake is double-counting credits already factored into withholding. The misconception is that estimated payers cannot claim the homestead credit; they can.
Worksheet Line 7: Total Estimated Tax
This is your annual liability. Divide by 4 to get the quarterly installment, unless you use the annualized method. Carlos’s annual is $8,600, so each quarter is $2,150. The nuance: round up. The mistake is dividing by three because you started in Q2. The misconception is that paying the full year by Q4 cures earlier underpayments — it does not under MI-2210.
Worksheet Line 8: Withholding Credit
Subtract any Michigan tax already withheld from W-2 wages, pensions, or gambling winnings. Aisha subtracts $3,200 withheld from her part-time W-2 job. The nuance: withholding is treated as paid evenly across the year, even if it was front-loaded. The mistake is ignoring withholding and overpaying. The misconception is that 1099 income has withholding; usually it does not.
Worksheet Line 9: Prior-Year Overpayment Applied
Enter any 2025 refund you elected to apply to 2026 estimated tax. Marcus applied $400 from his 2025 refund. The nuance: this credit applies entirely to Q1 unless you specify otherwise. The mistake is double-claiming it on both the voucher and the year-end return. The misconception is that you can change your mind and request the refund back later — once applied, it stays applied.
Three Filled-Out Examples Using Real Scenarios
Below are three full walkthroughs. Each follows one filer through the voucher and worksheet for the first quarter (Voucher 1, due April 15, 2026).
Scenario 1: Maria Lopez, Freelance Graphic Designer in Grand Rapids
Maria is single, age 34, with projected 2026 self-employment income of $80,000 and no withholding.
| Form Section | What Maria Enters |
|---|---|
| Tax Year (Box 1) | 2026 |
| Voucher Number | 1 (Q1) |
| Filer SSN (Box 3) | 234-56-7890 |
| Filer Name (Box 5) | LOPEZ MARIA E |
| Address (Box 7) | 742 EASTERN AVE SE, GRAND RAPIDS, MI 49503 |
| Worksheet Line 1: Est. Income | $80,000 |
| Worksheet Line 4: Taxable Income | $60,000 (after $5,800 exemption and self-employment tax adjustment) |
| Worksheet Line 5: MI Tax (4.25%) | $2,550 |
| Worksheet Line 7: Annual Estimated Tax | $2,550 |
| Quarterly Installment (÷4) | $638 |
| Box 8: Amount of Payment | $638 |
Maria mails Voucher 1 with a check for $638 by April 15, 2026, and repeats this for the three remaining quarters.
Scenario 2: Janet and Robert Kim, Retired Couple in Traverse City
Janet is 68, Robert is 70. They draw a combined $72,000 in pension and IRA distributions plus $28,000 in Social Security. Filing jointly.
| Form Section | What the Kims Enter |
|---|---|
| Tax Year | 2026 |
| Voucher Number | 1 |
| Filer SSN (Box 3) | 345-67-8901 (Janet) |
| Spouse SSN (Box 4) | 456-78-9012 (Robert) |
| Filer Name (Box 5) | KIM JANET M |
| Spouse Name (Box 6) | KIM ROBERT J |
| Address | 1842 BAY HILL DR, TRAVERSE CITY, MI 49684 |
| Worksheet Line 3: Subtractions | $72,000 (full Tier 3 retirement subtraction + Social Security) |
| Worksheet Line 4: Taxable Income | $0 (after exemptions) |
| Box 8: Amount of Payment | $0 (no voucher needed) |
Because the 2026 phased-in retirement subtraction wipes out their taxable income, the Kims owe nothing — but they keep records to prove it.
Scenario 3: Carlos Reyes, Detroit Landlord with W-2 Income
Carlos earns $65,000 W-2 wages with $2,500 Michigan withholding plus $40,000 net rental income on Schedule E. Filing single.
| Form Section | What Carlos Enters |
|---|---|
| Tax Year | 2026 |
| Voucher Number | 1 |
| Filer SSN | 567-89-0123 |
| Filer Name | REYES CARLOS A |
| Address | 5500 WOODWARD AVE APT 4B, DETROIT, MI 48202 |
| Worksheet Line 1: Est. Income | $105,000 |
| Worksheet Line 4: Taxable Income | $99,200 |
| Worksheet Line 5: MI Tax (4.25%) | $4,216 |
| Worksheet Line 8: Withholding | $2,500 |
| Worksheet Line 7 minus 8 | $1,716 |
| Quarterly Installment (÷4) | $429 |
| Box 8: Amount of Payment | $429 |
Carlos files a separate City of Detroit estimated voucher (Form 5123) for his city tax. He does not roll Detroit tax into MI-1040-ES.
How to File the Completed Form
Michigan offers four channels for paying MI-1040-ES, and each has its own steps, fees, and proof-of-filing trail.
Mail (paper voucher)
Detach the correct voucher, attach a check or money order made payable to “State of Michigan,” write your SSN, “MI-1040-ES,” and “2026” on the check, and mail to: Michigan Department of Treasury, P.O. Box 30774, Lansing, MI 48929. There is no fee. Processing takes 10–14 days. Keep your check carbon and the postmark receipt as proof of filing under MCL 205.4.
Michigan Treasury Online (eServices)
Log in at the eServices Individual Income Tax page, select “Make an Estimated Payment,” choose tax year 2026 and quarter, and enter your bank routing/account for ACH debit. There is no fee for ACH. Processing posts within 1–3 business days. The portal generates a confirmation number — save it as your proof of filing.
Credit or debit card
Pay through the third-party processor ACI Payments, Inc. at 1-800-2PAY-TAX. The convenience fee is 2.35% of the payment for credit cards or a flat $3.95 for debit cards. The card statement and ACI confirmation number serve as proof of filing.
In person at a Treasury field office
Walk into any of the Treasury field offices (Lansing, Detroit, Sterling Heights, Grand Rapids, etc.) with the voucher and a check or money order. There is no fee. Get the date-stamped voucher copy back from the cashier — that is your proof of filing.
What Happens After You File
Once Treasury receives your payment, the system posts it to your individual income tax account using the SSN, tax year, and quarter from the voucher. You can verify posting at the Where’s My Refund / Account Lookup tool within about a week.
If the SSN, name, or year is wrong, the payment lands in a “suspense” bucket. Treasury sends a Letter of Inquiry requesting clarification. You typically have 30 days to respond before the payment is treated as unapplied and interest begins under MCL 205.23.
When you file your annual MI-1040 the following spring, you report the total of all four estimated payments on Line 30. Treasury matches that figure against its posting records. A mismatch triggers an automatic adjustment notice. If you overpaid, you can apply the refund to next year’s estimates or request a check.
If you missed a quarter or underpaid, Treasury computes the penalty on Form MI-2210 at the rate set by Treasury under Revenue Administrative Bulletin 2025-7 — currently 9.47% annualized for 2026. The penalty runs from the missed quarter’s due date to the date you finally pay.
Mistakes to Avoid When Filling Out the Form
Estimated-tax filers commit the same handful of errors year after year. Each one carries a direct cost.
- Skipping a quarter because cash flow is tight. Treasury charges interest plus penalty from that day forward.
- Writing the annual amount in Box 8 instead of the quarterly installment. Your bank may bounce the payment, and you lose timely-filing status.
- Forgetting the $500 safe-harbor threshold. If you owe less than $500 at year-end, no estimates are required at all.
- Using a stale (prior-year) voucher. The scan line is wrong and Treasury misposts the payment.
- Mixing up MI-1040-ES with city estimated vouchers. Detroit, Grand Rapids, and Lansing each have their own forms.
- Failing to update for the 2026 phased-in retirement subtraction. Retirees overpay.
- Ignoring the annualized income installment method for seasonal income. Seasonal earners pay penalties they could avoid.
- Sending a check without a voucher or a voucher without a check. Payments without vouchers go to suspense.
- Listing the wrong primary SSN on a joint payment. Treasury cannot reconcile posting.
- Missing the new EITC at 30% of federal. Filers overestimate liability and overpay.
- Treating prior-year overpayment as still refundable after applying it. Once applied, it is locked.
- Mailing to the wrong P.O. Box. Treasury has separate boxes for estimates, returns, and notices.
Do’s and Don’ts
A short list of habits that save filers money and prevent letters from Treasury.
Do’s
- Do download the current-year voucher from michigan.gov/taxes every January because the scan line changes annually.
- Do pay through eServices for free and instant confirmation.
- Do round payments up to the next whole dollar to lock in safe harbor.
- Do keep a folder of all four 2026 confirmation numbers for the April 2027 return.
- Do recompute each quarter if income changes meaningfully.
- Do use the annualized income installment method if income is seasonal — it can erase penalties entirely.
Don’ts
- Don’t combine state and city estimated tax in one check.
- Don’t write “Q2” on a Q1 voucher; the scan line, not your handwriting, controls posting.
- Don’t assume your tax software auto-files Michigan estimates — most schedule them only if you opt in.
- Don’t wait until April 15, 2027, to “true up” if you skipped quarters; interest is already accruing.
- Don’t mail the voucher to the same P.O. Box you use for the annual MI-1040.
- Don’t ignore a Letter of Inquiry — the 30-day clock is real.
Pros and Cons of Filing on Your Own vs. With Help
Filers can complete MI-1040-ES alone in 30 minutes, or hire a CPA. Here is how the choice plays out.
Pros of filing on your own
- Free — no preparer fee.
- Fast — eServices takes minutes once you have the worksheet numbers.
- Direct control — you decide whether to use the equal-installment or annualized method.
- Privacy — no third party handling your SSN.
- Real-time confirmation through the portal.
Cons of filing on your own
- Math errors are common on the worksheet, especially the retirement subtraction.
- Missed deadlines because no one is reminding you.
- Underestimated income triggers MI-2210 penalty.
- Missed credits like the 30% EITC.
- No representation if Treasury sends a Letter of Inquiry.
Online vs. paper filing
| Filing Method | Trade-Off |
|---|---|
| Online (eServices) | Free, posts in 1–3 days, instant confirmation |
| Paper voucher | No internet needed, but takes 10–14 days and risks postal delay |
| Credit card (ACI) | Fast but 2.35% fee adds up |
| In-person field office | Date-stamped proof, but travel required |
FAQs
Do I have to file MI-1040-ES if my employer withholds Michigan tax?
No. If withholding covers your full liability and you expect to owe $500 or less, no estimated voucher is required under MCL 206.301.
Can I pay all four quarters at once on April 15?
Yes. Michigan accepts a single full-year payment with Voucher 1, but you lose float and cannot recover the money if income drops.
What is the safe-harbor rule for 2026?
Yes, Michigan honors safe harbor: pay either 90% of current-year tax or 100% of prior-year tax (whichever is smaller), and no penalty applies.
Do I write my maiden name or married name in Box 5?
Yes, use whichever name is currently on file with the Social Security Administration — that is the name Treasury cross-checks.
Should I include cents in Box 8?
No. Box 8 takes whole dollars only; round up to the next dollar to avoid being a penny short of safe harbor.
Do I need a separate voucher for City of Detroit estimated tax?
Yes. Detroit uses Form 5123; MI-1040-ES does not transfer to city tax accounts.
Can I use last year’s MI-1040-ES voucher if I have leftovers?
No. The scan line on each annual voucher is unique, and using a prior-year voucher causes posting to the wrong tax year.
What happens if Box 1 (Tax Year) is left blank?
No good outcome — Treasury defaults to the year of receipt, which may be wrong, and you may need to file a correction request.
Is the 4.25% rate the same for all income levels?
Yes, Michigan has a flat 4.25% rate for 2026 under MCL 206.51 — no brackets.
Can I cancel an eServices payment after submitting?
Yes, but only before the scheduled debit date; log into eServices and cancel the pending transaction.
Do nonresidents working in Michigan need MI-1040-ES?
Yes, if Michigan-source income produces a tax liability over $500 after withholding, file using the same voucher with a non-Michigan address.
Will the IRS share my federal 1040-ES data with Michigan?
No, the IRS and Treasury exchange annual return data, not estimated payment data; you must file MI-1040-ES separately even if you pay federal estimates.
Can I deduct MI-1040-ES payments on my federal return?
Yes, state estimated payments are deductible as state and local taxes on federal Schedule A, subject to the $10,000 SALT cap under IRC §164(b)(6).
What if I file Voucher 3 with someone else’s SSN by mistake?
No automatic refund — call Treasury at 517-636-4486 within 30 days and request a payment transfer to the correct account.
Related reading
- How to Fill Out Michigan Withholding Form MI-W4 + FAQs
- How to Fill Out Michigan Form 5119 (w/Examples) + FAQs
- How to Fill Out Michigan Form MI-1040-V (w/Examples) + FAQs
- How to Fill Out Michigan Form MI-1040 (w/Examples) + FAQs
- How to Fill Out Michigan Form MI-W-4P (w/Examples) + FAQs
- How to Fill Out Michigan Form MI-W4 (w/Examples) + FAQs
- How to Fill Out Michigan Form PC 570 (w/Examples) + FAQs