2026 Arkansas State Tax Deadlines
Arkansas Individual income tax filing deadlines and extensions for 2026
If you are a resident or have been involved in business operations within Arkansas, you might be required to file Arkansas State taxes. Arkansas follows a progressive income tax structure with rates ranging from 0.9% to 5.5%, making it essential to understand the specific deadlines and requirements for 2026.
Arkansas business tax deadlines for 2026
C Corporations' deadlines and requirements
C Corporations in Arkansas must file and pay Corporate Income Taxes by April 15, 2027, following the federal due date schedule.
Filing requirements include:
- Complete Form 120 (Arkansas Corporate Income Tax Return)
- File via the Arkansas DOR MyTaxes portal
- Payment must be made by April 15, 2027
- Mail submissions must be postmarked by the due date
Extension to file taxes in Arkansas for 2026
The Extension Deadline for Arkansas Corporate income tax returns is October 15, 2027. Arkansas automatically grants a six-month extension following the federal extension timeline without requiring separate forms. This is an extension to FILE, not an extension to PAY—payment is still due April 15, 2027.
Pass-through entities
Arkansas S Corporations and Partnerships tax deadlines for 2026
S Corporations and Partnerships must file in Arkansas by April 15, 2027.
Required forms include:
- Form AR1000SCH—S Corporation Return
- Form AR1000P—Partnership Return
Extension to file S Corporations and Partnerships taxes in Arkansas for 2026
The Extension Deadline for Arkansas S Corporations and Partnerships returns is October 15, 2027. Arkansas automatically grants a six-month extension without requiring separate applications. This is an extension to FILE, not an extension to PAY—payment is still due April 15, 2027.
Arkansas Individual tax considerations for 2026
Filing requirements and income thresholds
Arkansas Individuals must file a State income tax return if their gross income exceeds specific thresholds based on filing status.
The progressive tax rates for 2026 range from:
- 0.9% on the first $4,000 for single filers ($8,000 for married filing jointly)
- Graduated rates increasing to 5.5% on income over $22,200 for single filers ($44,700 for married filing jointly)
Estimated tax deadline for Arkansas 2026
Estimated tax payments are due on the following schedule for calendar year filers:
- April 15, 2026
- June 15, 2026
- September 15, 2026
- January 15, 2027
Who must make estimated payments
You must make Arkansas estimated income tax payments during 2026 if you expect to owe $1,000 or more in Arkansas income tax after subtracting withholding and credits. Electronic payments are encouraged through the Arkansas online tax system.
Individual tax deadline for Arkansas 2026
Individual income tax returns are due April 15, 2027.
Available forms include:
- Form AR1000F—Full-Year Resident Individual Income Tax Return
- Form AR1000NR—Nonresident Individual Income Tax Return
- Form AR1000ADJ—Amended Individual Income Tax Return
Extension to file taxes in Arkansas for 2026
The Extension Deadline is October 15, 2027, to file your Arkansas Individual Income tax return. Arkansas automatically grants a six-month extension without requiring separate extension forms. This is an extension to FILE, not an extension to PAY—payment is still due April 15, 2027.
What Arkansas tax professionals need to know
Several key considerations make Arkansas's tax landscape unique for 2026. Arkansas's progressive income tax system provides moderate tax rates, and the state offers various tax credits and deductions. Electronic filing requirements continue to expand, and disaster relief provisions may create exceptional planning opportunities.
Electronic filing requirements
Arkansas has implemented electronic filing systems for taxpayers:
- C Corporations and pass-through entities should file electronically through the Arkansas DOR MyTaxes portal
- Individuals can use the Arkansas online system for free electronic filing
- Business deductions can be processed more efficiently through electronic systems
- Professional preparers must use approved software vendors
Disaster relief considerations
Arkansas follows IRS disaster relief announcements and may provide extended deadlines for taxpayers affected by federally declared disasters. Affected taxpayers should monitor the Arkansas Department of Revenue announcements for specific relief measures and deadline extensions.
Arkansas's unique tax features for 2026
Progressive tax rates ranging from 0.9% to 5.5%
Arkansas provides a competitive tax structure with graduated rates based on income levels.
Military retirement pay exemption
Arkansas offers exemptions for certain qualifying military retirees from state income taxation on military retirement pay.
Capital gains deduction
Arkansas provides a capital gains deduction for certain long-term capital gains from sources within the state.
Business incentives and credits
Arkansas provides various business tax incentives:
- InvestArk tax credits for qualifying investments
- Research and development credits
- Job creation incentives
- Manufacturing equipment sales tax exemptions
Retirement income considerations
Arkansas provides favorable treatment for certain retirement income:
- Military retirement pay may be exempt from Arkansas income tax
- Social Security benefits are generally exempt from the Arkansas state income tax
- Certain pension income may qualify for reduced taxation
Professional tax guidance
For complex Arkansas tax situations, consulting with qualified tax professionals through an accounting firm directory can help ensure compliance and identify available tax-saving opportunities.
Sources
- Arkansas Department of Finance and Administration
- Arkansas DOR MyTaxes Portal
- Arkansas Individual Income Tax Information
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The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
Please note that if any due date falls on a federal or state holiday or weekend, it may be adjusted to the next business day. Always verify current deadlines with the appropriate tax professional and authorities.
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