How to Fill Out IRS Form 8801 (w/Examples) + FAQs

Yes, you can recover the alternative minimum tax (AMT) you paid in a prior year by filing IRS Form 8801, the Credit for Prior Year Minimum Tax for Individuals, Estates, and Trusts. This form lets you claim a nonrefundable credit on your current return for the portion of AMT that came from timing differences, such as the spread on an incentive stock option (ISO) exercise or accelerated depreciation.

The problem the form solves is real money. Without filing it, taxpayers who paid AMT in a prior year often leave thousands of dollars on the table because the Internal Revenue Code §53 credit is not automatic and the IRS will not compute it for you. According to the most recent IRS Statistics of Income data, more than 200,000 individual returns claimed a prior-year minimum tax credit in the latest reporting year, recovering over $1.4 billion in previously paid AMT.

Here is what you will learn from this guide:

  • 📋 How to complete every line of Form 8801 for the 2025 tax year, including Parts I, II, and III
  • 💼 How ISO exercises, depreciation, and private activity bond interest create the credit you can recover
  • 🧮 Three named real-world examples showing exactly how the math works on the form
  • ⚠️ The seven most common mistakes that wipe out the credit or trigger an IRS notice
  • 🏛️ How federal rules under IRC §53 interact with state credits like California Form 3510 and Minnesota Schedule M1MTC

What Is IRS Form 8801?

Form 8801 is the official IRS form individuals, estates, and trusts use to claim the Credit for Prior Year Minimum Tax. The credit exists because the AMT system, governed by IRC §§55–59, often taxes income earlier than the regular tax system does. When the regular tax later catches up, §53 lets you recover the timing-difference portion of that earlier AMT bill.

The credit is nonrefundable today. That means it can reduce your regular tax to zero but cannot generate a check from the Treasury. From 2007 through 2012, a refundable version existed under former §53(e), but the American Taxpayer Relief Act of 2012 let that provision expire. The consequence of the expiration is that long-term ISO holders with very large unused AMT credits may need many years of regular-tax liability to absorb the full credit.

A common misconception is that everyone who paid AMT in a prior year automatically gets a credit. The reality is that only AMT caused by deferral items (timing differences) creates a credit, while AMT caused by exclusion items (such as the standard deduction add-back before TCJA or personal exemptions) is gone forever.

Who Must File Form 8801

You file Form 8801 if any of three conditions apply, as explained in the official Form 8801 instructions. First, you had an AMT liability in 2024 reported on Form 6251 that came from deferral items. Second, you have a minimum tax credit carryforward from your 2024 Form 8801. Third, you had unallowed nonrefundable credits in 2024 that produced a credit in 2025.

The consequence of skipping the form when one of these conditions applies is that you forfeit the carryforward for the current year and must restart the calculation from the prior return, which the IRS will challenge under the duty of consistency doctrine.

A real-world example clarifies this. Maya, a software engineer in Seattle, exercised 5,000 ISOs in 2024 and paid $42,000 of AMT. Because ISO bargain element is a deferral item under §56(b)(3), Maya must file Form 8801 every year until she absorbs the full $42,000 credit, even in years when she owes no AMT.

A common misconception is that estates and trusts cannot use the credit. They can, and they file the same Form 8801, but the income thresholds and exemption amounts come from the Form 1041 Schedule I AMT calculation, not the individual Form 6251.

Deferral Items vs. Exclusion Items

The single most important concept on Form 8801 is the split between deferral items and exclusion items, defined in Treasury Regulation §1.55-1 and the Form 8801 instructions. Deferral items create a credit. Exclusion items do not.

Deferral items include the ISO bargain element, accelerated depreciation under §168, mining exploration costs, long-term contract income under the percentage-of-completion method, circulation expenses, and research and experimental costs. Exclusion items include tax-exempt interest from specified private activity bonds, depletion, the standard deduction (pre-TCJA only), and personal exemptions (pre-TCJA only).

The consequence of the distinction is steep. David, a dentist in Miami, paid $18,000 of AMT in 2018 entirely because of personal exemptions for his five children. He gets zero credit on Form 8801 because exemptions are exclusion items. Had the same $18,000 come from depreciating new dental equipment, he could recover all of it over time.

A common misconception is that any item that increases alternative minimum taxable income (AMTI) creates a future credit. That is false. Only items that will reverse in a later year through the regular tax system count.

Form 8801 Line-by-Line: Part I

Part I of Form 8801 recomputes your prior-year AMT as if only exclusion items existed. This isolates the deferral-item portion of the AMT you paid, which becomes the raw material for your credit. The Part I calculation mirrors Form 6251 but strips out every deferral adjustment.

The mechanics matter because a single misplaced number cascades through every later line. The consequence of a Part I error is that the IRS Automated Underreporter program will issue a CP2000 notice proposing to disallow the credit and adding interest under §6601.

A real-world example is Priya, a partner at a consulting firm in Chicago. She paid AMT in 2024 from both a large SALT deduction add-back (an exclusion item under post-TCJA rules) and accelerated depreciation on her home office (a deferral item). Part I forces Priya to recompute 2024 AMT keeping only the SALT add-back, then subtract that from her actual 2024 AMT to find her deferral-item AMT.

A common misconception is that Part I uses current-year numbers. It does not. Every figure in Part I comes from your 2024 return, even though you are filing the 2025 Form 8801.

Lines 1 Through 3: Starting AMTI

Line 1 starts with your 2024 Form 6251 line 4 amount, which is your prior-year AMTI before the exemption. You then subtract every deferral adjustment that increased AMTI and add back every deferral adjustment that decreased it.

Line 2 lists the specific deferral adjustments to back out, including the ISO adjustment from §56(b)(3), depreciation differences, passive activity adjustments, and the §1202 small business stock exclusion difference. The consequence of forgetting a deferral adjustment is double-counting, which inflates your credit and invites a §6662 accuracy-related penalty of 20%.

Line 3 is the net AMTI computed using only exclusion items. Carlos, a real estate developer in Austin, had 2024 AMTI of $620,000, which included $180,000 of accelerated depreciation. His Line 3 result is $440,000 ($620,000 minus $180,000), the AMTI he would have had with no deferral items.

A common misconception is that capital gains preferences are deferral items. They are not. Capital gain rate differentials are exclusion items and stay in the Line 3 calculation.

Lines 4 Through 9: Recomputed Tentative Minimum Tax

Line 4 applies the 2024 AMT exemption, which was $85,700 for single filers and $133,300 for joint filers, with phase-outs beginning at $609,350 single and $1,218,700 joint per Rev. Proc. 2023-34. Estates and trusts use a much smaller exemption of $29,900.

Line 6 multiplies the result by the AMT rates: 26% up to $232,600 and 28% above for 2024, with capital gains and qualified dividends taxed at their preferential rates through the Line 6 worksheet. The consequence of using the wrong threshold is a credit that is off by thousands of dollars.

A real-world illustration: Jennifer, a married filer with $440,000 of recomputed AMTI on Line 3, subtracts the full $133,300 exemption to get $306,700. The first $232,600 is taxed at 26% ($60,476) and the remaining $74,100 at 28% ($20,748), for a Line 6 tentative minimum tax of $81,224.

A common misconception is that the foreign tax credit is ignored. Line 8 lets you subtract the AMT foreign tax credit, computed as if only exclusion items existed.

Lines 10 Through 15: Net Minimum Tax on Exclusion Items

Line 10 subtracts your recomputed regular tax (also using only exclusion items) from the Line 9 tentative minimum tax. The result is the AMT you would have paid if exclusion items were the only AMT triggers in 2024.

Line 11 then takes your actual 2024 AMT from Form 6251 line 11 and subtracts the Line 10 exclusion-item AMT. The difference is your deferral-item AMT, which is the only piece eligible for the credit. The consequence of inverting these numbers is a credit that goes to zero or negative.

Ahmed, a biotech founder in Boston, paid $95,000 of total 2024 AMT. His exclusion-item AMT on Line 10 is $12,000, so his deferral-item AMT on Line 11 is $83,000. That $83,000 becomes the foundation of his minimum tax credit carryforward.

A common misconception is that Line 11 is the credit you claim this year. It is only the amount available. The amount you actually use depends on Part II.

Form 8801 Line-by-Line: Part II

Part II of Form 8801 determines how much of your accumulated minimum tax credit you can apply to your 2025 regular tax. The credit is capped at your 2025 regular tax minus your 2025 tentative minimum tax, a limit set by §53(c).

The cap exists to prevent you from using the credit to drop below the AMT floor. The consequence of the cap is that high-AMT years often produce no current-year credit usage, even when the carryforward is huge. The unused portion rolls forward indefinitely under §53(b).

A common misconception is that the credit expires. It does not. There is no statutory sunset on the carryforward, though it dies with the taxpayer because §53 is not transferable at death.

Line 18: The Credit Limitation

Line 18 is the heart of Part II. You compute your 2025 regular tax (after most other credits) and subtract your 2025 tentative minimum tax from Form 6251. The positive difference, if any, is your maximum allowable credit for 2025.

The reasoning behind the cap is that Congress wanted the credit to recover overpayments without re-creating the original AMT shortfall. The consequence is that taxpayers in lumpy-income professions, such as commissioned salespeople or option-heavy executives, may wait years to absorb their carryforward.

Maya from our earlier example has a $42,000 ISO-driven carryforward. In 2025, her regular tax is $61,000 and her tentative minimum tax is $48,000. Line 18 caps her usage at $13,000. The remaining $29,000 rolls to 2026 on Line 26.

A common misconception is that you can elect to use less of the credit to preserve other credits. You cannot. §53 requires you to use the maximum allowable amount each year.

Line 25: Current Year Credit

Line 25 is the smaller of Line 21 (total credit available) or Line 18 (limitation). This number flows to your Schedule 3 (Form 1040) line 6b and offsets your regular tax dollar for dollar.

The consequence of mis-transcribing Line 25 to Schedule 3 is one of the most common Form 8801 errors flagged by IRS computers, often producing a math-error notice under §6213(b).

Priya claims her $9,400 Line 25 credit on Schedule 3, reducing her 2025 federal tax from $58,000 to $48,600. Her remaining carryforward of $14,200 goes to Line 26.

A common misconception is that the credit reduces self-employment tax or Net Investment Income Tax. It does not. Line 25 only offsets regular income tax.

Line 26: Credit Carryforward

Line 26 subtracts Line 25 from Line 21 to compute the carryforward you will report on next year’s Form 8801, Line 23. This number must match exactly between consecutive years or the IRS will issue a CP11 or CP12 notice.

The consequence of a mismatch is a denial of the credit until you file an amended return reconciling the figures. Practitioners often keep a separate MTC tracking schedule for each client that survives software changes.

Ahmed tracks his $83,000 carryforward across five tax years using a spreadsheet keyed to each year’s Line 26. By 2029, he has fully absorbed it. A common misconception is that tax software always carries the number forward correctly. It does not, especially when you switch providers.

Form 8801 Part III: Tax Computation Using Maximum Capital Gains Rates

Part III only applies when your recomputed Line 3 AMTI includes net capital gain or qualified dividends. It mirrors the Schedule D Tax Worksheet and preserves preferential capital gains rates of 0%, 15%, and 20% inside the AMT recalculation.

The reasoning is fairness. Without Part III, recomputing AMT at 26%/28% on capital gains would overstate your exclusion-item AMT and shrink your credit. The consequence of skipping Part III when required is a credit that is too small by 5% to 10%.

A common misconception is that Part III is optional. It is mandatory whenever Line 6 of the Part I worksheet asks you to use it.

When Part III Is Required

Part III is required if you reported capital gain distributions, used Schedule D, or had qualified dividends in 2024. It is also required if 2024 Form 6251 line 7 used the capital gains computation.

The consequence of using Part III when not required is harmless overcomputation. The consequence of skipping it when required is undercomputation of your credit, which the IRS rarely corrects in your favor.

Carlos sold a development parcel in 2024 generating $300,000 of long-term capital gain. His Part III calculation taxes that $300,000 at 20% ($60,000) instead of 28% ($84,000), preserving $24,000 of credit room.

A common misconception is that short-term gains qualify for Part III. They do not. Only long-term gains and qualified dividends use the maximum capital gains rates.

How Part III Interacts With the 28% Rate Gain

Collectibles gain and unrecaptured §1250 gain carry their own AMT rates of 28% and 25% respectively. Part III handles these on Lines 38 and 39 with the same rate splits used on Schedule D.

The consequence of conflating these with regular long-term gain is overstating the credit. Jennifer had $20,000 of unrecaptured §1250 gain from selling a rental property; she taxes it at 25% inside Part III, not 20%.

A common misconception is that qualified opportunity zone deferrals are deferral items for §53 purposes. They are not, because the deferral happens outside the AMT system.

Three Real-World Form 8801 Scenarios

Below are the three most common Form 8801 fact patterns drawn from IRS practitioner data and Tax Court precedent.

Scenario 1: ISO Exercise and Hold

ISO Action in 2024 Form 8801 Result in 2025
Exercised 10,000 ISOs at $5 strike when FMV was $35, generating a $300,000 bargain element $300,000 added as deferral item on 2024 Form 6251
Held all shares through year-end, no disqualifying disposition Bargain element stays as AMT preference, creating large deferral-item AMT
Paid $78,000 of 2024 AMT, of which $74,000 was deferral Line 11 of Form 8801 = $74,000 carryforward into 2025
Sold no shares in 2025, regular tax $52,000, TMT $49,000 Line 18 limit = $3,000; Line 26 carryforward = $71,000

Scenario 2: Accelerated Depreciation on Rental Property

Depreciation Action in 2024 Form 8801 Result in 2025
Used 60% bonus depreciation on a $500,000 short-life asset, $300,000 first-year deduction $180,000 AMT depreciation difference added on Form 6251
Triggered $36,000 of AMT entirely from depreciation timing Full $36,000 is deferral item per §56(a)(1)
2025 regular tax higher because of lower depreciation in year two Line 18 allows partial credit usage, often $8,000-$12,000
Carryforward continues until straight-line catches up to accelerated Multi-year recovery, typically 5-10 years

Scenario 3: Mixed Exclusion and Deferral AMT

2024 Tax Profile Form 8801 Result in 2025
Paid $50,000 AMT: $30,000 from private activity bond interest, $20,000 from depreciation Only $20,000 is creditable; PAB interest is exclusion item
2024 Form 6251 showed both items separately Part I isolates the $20,000 deferral portion on Line 11
2025 regular tax exceeds TMT by $25,000 Line 18 allows full $20,000 credit usage
No carryforward to 2026 Form 8801 not required next year unless new AMT arises

Three Named Examples Worked End-to-End

Example 1: Maya the Software Engineer

Maya lives in Seattle and exercised 5,000 ISOs in 2024 at a $4 strike when fair market value was $44, creating a $200,000 bargain element. Her 2024 Form 6251 showed AMTI of $410,000 and AMT of $42,000, all from the ISO deferral item.

In 2025, Maya did not sell any shares. Her 2025 regular tax is $61,000 and her tentative minimum tax is $48,000, leaving Line 18 room of $13,000. Maya files Form 8801, claims $13,000 on Schedule 3 line 6b, and carries $29,000 to 2026.

The consequence of Maya not filing Form 8801 would be losing the $13,000 immediate refund and breaking the carryforward chain. A common misconception is that Maya should wait until she sells the shares; that delay surrenders current-year credit usage forever.

Example 2: Carlos the Real Estate Developer

Carlos operates as a sole proprietor in Austin and used 60% bonus depreciation on $1.2 million of equipment in 2024. His Form 6251 AMT was $58,000, of which $54,000 was the depreciation deferral item.

In 2025, Carlos sold a parcel generating $300,000 of long-term capital gain. His Part III calculation preserves the 20% rate, producing Line 18 room of $22,000. He claims $22,000 and carries $32,000 forward.

The consequence of Carlos skipping Part III would be a Line 18 cap roughly $8,000 lower. A common misconception is that bonus depreciation never triggers AMT; it does whenever the §168(k) recovery period differs from the AMT recovery period.

Example 3: Jennifer the Estate Executor

Jennifer serves as executor for an estate that paid $24,000 of AMT in 2024 from accelerated depreciation on inherited rental property. The estate files Form 1041 and uses Form 8801 with the $29,900 estate-trust exemption from Rev. Proc. 2023-34.

In 2025, the estate’s regular tax exceeds its tentative minimum tax by $9,000, so Jennifer claims $9,000 on Form 1041 and carries $15,000 to the 2026 return. The credit transfers to beneficiaries only on final-year Form 1041 via Schedule K-1 box 13, code I.

The consequence of distributing assets before the credit is absorbed is permanent loss of the unused portion at termination if not properly allocated. A common misconception is that beneficiaries can pull the credit at any time; they cannot until the estate’s final year.

Mistakes to Avoid on Form 8801

  1. Treating exclusion items as deferral items. Private activity bond interest and pre-TCJA personal exemptions are gone forever, and claiming them inflates the credit and risks a §6662 penalty.
  2. Forgetting Part III when capital gains exist. Skipping Part III understates the credit by 5% to 10% in years with significant long-term gains or qualified dividends.
  3. Using current-year numbers in Part I. Part I is a prior-year recomputation, and using 2025 figures collapses the entire calculation.
  4. Ignoring the §53(c) limitation. Claiming more than your 2025 regular tax minus TMT triggers an automatic CP11 math error notice.
  5. Breaking the carryforward chain. A missed Form 8801 in any year forces you to reconstruct prior calculations, often through Form 1040-X amendments.
  6. Mishandling ISO disqualifying dispositions. Selling ISO shares in the same year you exercise eliminates the AMT preference and reduces the credit available in later years.
  7. Failing to file when only a carryforward exists. Even with no current-year AMT, you must file Form 8801 to keep the carryforward alive.
  8. Confusing Form 8801 with Form 8827. Form 8827 is for C corporations; individuals, estates, and trusts use Form 8801.
  9. Overlooking the AMT foreign tax credit recomputation. Line 8 requires a parallel FTC calculation that many filers skip.
  10. Assuming software handles carryforwards correctly. Switching tax preparers or software almost always breaks the Line 26 chain.

Dos and Don’ts of Form 8801

Dos: – Do keep a separate MTC tracking schedule for every year, because tax software loses the carryforward when you switch programs. – Do reconcile Form 6251 line 11 to Form 8801 Part I every year, since this is the most-audited tie-out. – Do file Form 8801 in years with no current credit just to preserve the carryforward, because §53(b) requires continuity. – Do compute Part III whenever you have any long-term gain, because it almost always raises the credit. – Do coordinate with state minimum tax credits like California Form 3510, because state rules diverge sharply from federal.

Don’ts: – Don’t claim the credit for exclusion-item AMT, because the IRS Automated Underreporter catches this within months. – Don’t transfer the credit to a spouse on a separate return, because §53 bars transfer except by joint filing. – Don’t use the credit against Net Investment Income Tax, because §53 only offsets regular income tax. – Don’t ignore the credit at death, because the unused portion dies with the taxpayer under current law. – Don’t confuse the expired refundable credit (2007–2012) with the current nonrefundable rules, because the math is fundamentally different.

Pros and Cons of Claiming the Credit

Pros: – Recovers thousands of dollars of previously paid AMT, with the average claimed credit historically around $7,000 per IRS SOI tables. – Carries forward indefinitely under §53(b), so unused amounts are never lost during your lifetime. – Reduces effective ISO exercise cost, often turning what felt like a tax penalty into a long-term wash. – Available to estates and trusts, not just individuals, expanding planning flexibility. – Coordinates with foreign tax credit for cross-border filers, preserving international relief.

Cons: – Nonrefundable, so it cannot generate a check from the Treasury under current law. – Capped each year by the spread between regular tax and tentative minimum tax under §53(c). – Requires tracking across decades, which most consumer tax software handles poorly. – Dies with the taxpayer, creating estate-planning urgency for older filers with large carryforwards. – Does not apply to AMT from exclusion items, leaving large historic AMT bills permanently unrecoverable.

State Minimum Tax Credit Coordination

Several states run parallel minimum tax credit systems. California Form 3510 recovers California AMT under Revenue and Taxation Code §17063 and uses different rates and exemptions than the federal form. Minnesota uses Schedule M1MTC, and Iowa uses IA 8801.

The consequence of ignoring state credits is often larger than the federal oversight. A California ISO-exercising employee can have a state minimum tax credit carryforward equal to half of the federal carryforward.

A common misconception is that filing federal Form 8801 automatically claims the state credit. It does not. Each state has its own form, its own deadlines, and its own statute of limitations for amendments.

Refundable Credit History and Corporate AMT

The refundable minimum tax credit existed under former §53(e) from 2007 through 2012 to help long-suffering ISO taxpayers. Congress let it expire in 2013, and the American Taxpayer Relief Act declined to renew it.

Separately, the Tax Cuts and Jobs Act of 2017 made the corporate AMT credit fully refundable from 2018 to 2021 on Form 8827. The Inflation Reduction Act of 2022 then created a new 15% corporate AMT under §55(b)(2), which has its own credit mechanics that do not interact with individual Form 8801.

The consequence is that individuals, estates, and trusts have only the nonrefundable §53 credit available today. A common misconception is that the new IRA corporate AMT will be extended to individuals; no such legislation has passed.

Court Rulings That Shape Form 8801

Courts have repeatedly upheld the deferral-item versus exclusion-item line. In Speltz v. Commissioner, the Tax Court held that ISO bargain element generates AMT even when the shares later become worthless. The taxpayers’ only recourse was the §53 credit, which they could absorb only through future regular tax liability.

In Merlo v. Commissioner, 492 F.3d 618 (5th Cir. 2007), the Fifth Circuit affirmed that AMT on ISO exercises is constitutional and that the §53 credit is the exclusive remedy. The consequence is that taxpayers cannot litigate around the form; they must file it correctly.

A common misconception is that hardship can excuse AMT on ISOs. It cannot, though IRS Notice 2008-2 provides limited relief for the formerly refundable portion.

Coordination With Other Credits

Form 8801 sits in a specific order within the §38 general business credit ordering rules. The minimum tax credit applies after nonrefundable personal credits but before refundable credits, per §26.

The consequence of ordering errors is that you may underuse the credit and waste carryforward space. Ahmed discovered that claiming his child tax credit before Form 8801 created an extra $4,000 of usable Line 18 room.

A common misconception is that the Saver’s Credit and Form 8801 conflict. They do not, because the Saver’s Credit applies before §53 in the credit ordering hierarchy.

Filing Mechanics and Deadlines

You attach Form 8801 to your Form 1040, Form 1040-SR, or Form 1041 by the standard April 15 deadline (or October 15 with extension under Form 4868). E-filing is supported by all major software providers.

The consequence of missing the deadline is not loss of the credit, because §6511 gives you three years from the original due date to amend. The consequence of waiting beyond three years is permanent forfeiture of any current-year usage, though the carryforward survives if you can prove it through prior returns.

A common misconception is that you need to amend prior returns to start claiming the credit. You do not, as long as the prior Form 6251 correctly reported the AMT. You start the §53 credit on the first return after the AMT year and carry it forward from there.

Frequently Asked Questions

Do I need to file Form 8801 every year?

Yes. You must file every year you have a carryforward, even if the current-year credit is zero, to preserve the carryforward chain under §53(b).

Can I get a refund from Form 8801?

No. The current credit is nonrefundable; it can reduce your regular tax to zero but cannot generate a Treasury check, since the refundable version expired after 2012.

Does AMT from private activity bonds create a credit?

No. Private activity bond interest is an exclusion item under §57(a)(5), and AMT it triggers is permanently lost.

Can spouses split the credit on separate returns?

No. The credit follows the original AMT-paying taxpayer, and married-filing-separately spouses cannot transfer it without a joint return.

Does the credit expire if I don’t use it?

No. The carryforward is indefinite while you are alive, but it dies with you under §53 and cannot pass to heirs through Form 1040.

Do estates and trusts use Form 8801?

Yes. Estates and trusts file the same Form 8801 attached to Form 1041, using the smaller estate-trust exemption amounts.

Is the credit available against self-employment tax?

No. The credit only offsets regular income tax on Schedule 3, not SE tax, Net Investment Income Tax, or Additional Medicare Tax.

Can I claim the credit if I never filed Form 6251?

No. Without a documented prior-year AMT on Form 6251, the IRS will deny the credit for lack of foundation.

Do disqualifying ISO dispositions affect my credit?

Yes. A disqualifying disposition reverses the AMT preference and reduces the deferral-item AMT, often shrinking the carryforward you can claim.

Is Form 8801 the same as Form 8827?

No. Form 8827 is for C corporations claiming the corporate minimum tax credit; individuals, estates, and trusts use Form 8801.

Does the credit apply to the new corporate AMT under the IRA?

No. The 15% corporate AMT under §55(b)(2) has its own credit mechanics that do not flow to individual Form 8801.

Can I claim a state minimum tax credit and the federal credit?

Yes. States like California, Minnesota, and Iowa run parallel systems on forms such as California Form 3510, and you claim both independently.