Alaska State Tax Forms & Schedules for 2026
The tax forms on this page can be essential for your Alaska state tax return. Each form automatically calculates the relevant deductions and tax amounts based on the 2026 Alaska State tax tables.
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Alaska Tax Forms
The tax forms below are for Alaska State tax return calculations. Each form will automatically calculate the relevant tax deductions and amount based on the 2026 Alaska State tax tables
Alaska does not impose a personal income tax, but businesses operating in the state—especially corporations, S corporations, oil & gas producers and entities claiming incentive credits—must file a range of Alaska-specific tax forms. These returns help determine corporate net income tax, assess estimated tax obligations, apply federal-based credits, claim education or LNG storage credits and reconcile payments or overpayments.
The list below provides a structured entry point to all Alaska business tax forms supported on this site. Each form includes its own calculator, line-by-line replication of the official computation, and expanded guidance to help taxpayers understand apportionment, credit limitations and filing requirements. Whether your business files Form 6000, claims credits under Forms 6310 or 6323, or calculates underpayment penalties with Form 6220, these resources ensure full compliance with the Alaska Department of Revenue and align with the most recent published instructions.
- Alaska Tax Form AK-6000
Alaska Form 6000 – Corporation Net Income Tax Return - Alaska Tax Form AK-6100
Alaska Form 6100 – S Corporation Return - Alaska Tax Form AK-6150
Alaska Form 6150 – Oil & Gas Corporation Net Income Tax Return - Alaska Tax Form AK-6220
Alaska Form 6220 – Underpayment Of Estimated Tax By Corporations - Alaska Tax Form AK-6230
Alaska Form 6230 – Application For Quick Refund Of Overpayment To Estimated Tax - Alaska Tax Form AK-6240
Alaska Form 6240 – Payment Voucher – Corp Net Income Tax - Alaska Tax Form AK-6300
Alaska Form 6300 – Incentive Credits Summary - Alaska Tax Form AK-6310
Alaska Form 6310 – Income Tax Education Credit - Alaska Tax Form AK-6323
Alaska Form 6323 – LNG Storage Facility Tax Credit - Alaska Tax Form AK-6390
Alaska Form 6390 – Federal Based Credits
Tip: Use the Alaska Tax Calculator to fine-tune your refundable and non-refundable tax credits. Complete, calculate, print, and save your tax calculation for later use.
Frequently Asked Questions
Quick answers for Alaska residents: no personal income tax, federal-only calculations, and tips for adjusting withholdings and retirement deductions.
Is FICA affected by Alaska residency?
No. FICA consists of Social Security (6.2%) and Medicare (1.45%), and these apply equally nationwide, regardless of state residency. Living in Alaska does not change your FICA contributions, eligibility, or credit accumulation. The only difference is that Alaska imposes no additional state payroll tax layers, so FICA is one of the few mandatory deductions you will consistently see on your paycheck.
Are electronic payments preferable to using Form 6240?
For most corporations, yes. The Alaska Department of Revenue encourages electronic payments made through its secure online portal, as these apply instantly and reduce administrative handling. Corporations may find the online payment process through the AK-6240 Calculator especially useful because it provides clear guidance on when to use the voucher versus paying electronically. However, some corporations still prefer checks for internal control or accounting reasons.
Are military salaries taxed differently for Alaska residents?
No. Alaska imposes no state income tax on military salaries, reserve pay, hazard pay or deployment income. Service members stationed in Alaska experience identical federal withholding to those stationed anywhere else, but they benefit from Alaska’s zero-percent state rate. Out-of-state service members temporarily assigned to Alaska keep their home-state residency for tax purposes unless they change domicile, but Alaska itself never taxes their military wages. Veterans receiving pensions or disability compensation also see no Alaska tax on those benefits.
What happens if a corporation underreports oil and gas income in Alaska?
Penalties for underreporting can be substantial. Because the oil and gas sector is a primary revenue source, Alaska’s Department of Revenue actively scrutinizes filings involving extraction, production and pipeline transportation. Failure to report accurately can lead to audits, amended assessments, disallowance of deductions or credits, interest charges and negligence penalties. Corporations may also be required to amend combined group filings if inconsistencies are discovered.
Does remote work for an out-of-state employer create Alaska tax obligations?
No—Alaska does not tax income regardless of where your employer is located. However, the *other* state may attempt to tax your income if it has “convenience of the employer” rules (e.g., New York, Pennsylvania, Connecticut) or if the employer has nexus in that state. Alaska itself will never tax remote-income wages, but you may be required to file a nonresident return elsewhere. Federal rules apply normally, and Alaska provides no credit mechanism because no state tax exists.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.