Arkansas Business Tax Extension LLC / Partnership – S Corporation – C Corporation – Fiduciary / Estate / Trust
Connect with a U.S.-based CPA or Enrolled Agent to prepare and file your Arkansas business return. Upfront pricing, secure document upload, no surprises.
Connect with a TaxPro →Arkansas Business Tax Extension – LLC / Partnership
Form AR1155 • LLC / PartnershipArkansas LLC & Partnership Tax Extension
Arkansas LLCs and partnerships file with the Arkansas Department of Finance and Administration. An extension requires filing IRS Form 7004 to obtain a federal extension – Arkansas then grants a corresponding state extension. Any balance owed must be submitted with Form AR1155-PET by the original due date.
How the Extension Works
Arkansas LLCs and partnerships must have a valid federal IRS extension to qualify for the Arkansas state extension. Use Form AR1155-PET to remit any estimated Arkansas pass-through entity tax by April 15, 2026. The extended deadline for filing the completed return is October 15, 2026. No separate state extension application is submitted – the federal Form 7004 approval serves as your Arkansas extension.
Best Practices
- File IRS Form 7004 before the April 15, 2026 original deadline to activate your Arkansas extension.
- Remit Arkansas pass-through entity tax with Form AR1155-PET by April 15, 2026.
- Pay electronically through ATAP (Arkansas Taxpayer Access Point) for speed and a payment record.
- File your completed Arkansas LLC or partnership return by October 15, 2026.
Working with a Tax Professional
LLC / Partnership returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Arkansas return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Arkansas return by October 15, 2026
How to Pay
Arkansas requires online payment for tax amounts of $750 or more. Submit electronically via the Arkansas Online Tax Extension Payment portal. For amounts under $750, complete Form AR1155 and mail with your payment.
Arkansas Online Payment Portal
Submit electronically through the Arkansas Online Tax Extension Payment system. Required for all payments $750 and above.
Form AR1155 by Check
Download Form AR1155 and mail with your check or money order. Include your EIN and tax year on the check.
P.O. Box 919
Little Rock, AR 72203-0919
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
LLC / Partnership Quick Reference
| State Abbreviation | AR |
| Entity Type | LLC / Partnership |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | April 15, 2026 |
| Extended Filing Deadline | October 15, 2026 |
| Payment Due | April 15, 2026 (100% of tax owed) |
| Payment Form | Form AR1155 |
| Online Payment | Arkansas Online Tax Extension Payment |
| State Agency | Arkansas Department of Finance and Administration |
| Failure to File Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
Arkansas Business Tax Extension – S Corporation
Form AR1155 • S CorporationArkansas S Corporation Tax Extension
Arkansas S Corporations file with the Arkansas Department of Finance and Administration. Arkansas automatically honors your federal extension, granting an additional six months to file the state S Corporation return – provided IRS Form 7004 has been approved by the IRS.
How the Extension Works
With an approved federal Form 7004, your Arkansas S Corporation filing deadline is automatically extended to September 15, 2026. Pay any estimated Arkansas tax using Form AR1155 by the original March 15 deadline. No separate Arkansas extension form is required – the IRS approval is all you need. Mail payments to: Department of Finance and Administration, Corporation Income Tax Section, P.O. Box 919, Little Rock, AR 72203-0919.
Best Practices
- File IRS Form 7004 before March 16, 2026 to secure your Arkansas extension through September 15.
- Estimate and pay any Arkansas S Corporation tax balance by March 16, 2026 to avoid penalties.
- Pay via ATAP electronically or mail Form AR1155 with your payment.
- Submit the completed Arkansas S Corporation return by September 15, 2026.
Working with a Tax Professional
S Corporation returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Arkansas return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Arkansas return by September 15, 2026
How to Pay
Arkansas requires online payment for tax amounts of $750 or more. Submit electronically via the Arkansas Online Tax Extension Payment portal. For amounts under $750, complete Form AR1155 and mail with your payment.
Arkansas Online Payment Portal
Submit electronically through the Arkansas Online Tax Extension Payment system. Required for all payments $750 and above.
Form AR1155 by Check
Download Form AR1155 and mail with your check or money order. Include your EIN and tax year on the check.
P.O. Box 919
Little Rock, AR 72203-0919
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
S Corporation Quick Reference
| State Abbreviation | AR |
| Entity Type | S Corporation |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | March 16, 2026 |
| Extended Filing Deadline | September 15, 2026 |
| Payment Due | March 16, 2026 (100% of tax owed) |
| Payment Form | Form AR1155 |
| Online Payment | Arkansas Online Tax Extension Payment |
| State Agency | Arkansas Department of Finance and Administration |
| Failure to File Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
Arkansas Business Tax Extension – C Corporation
Form AR1155 • C CorporationArkansas C Corporation Tax Extension
Arkansas C Corporations pay corporate income tax and file returns with the Arkansas Department of Finance and Administration. Arkansas extends the filing deadline in step with the IRS – an approved federal Form 7004 gives you until October 15, 2026 to file the state corporate return.
How the Extension Works
Arkansas C Corporations receive a 6-month state filing extension automatically when IRS Form 7004 is approved. Submit estimated Arkansas corporate tax using Form AR1155 by April 15, 2026. Mail payments to: Department of Finance and Administration, Corporation Income Tax Section, P.O. Box 919, Little Rock, AR 72203-0919. File the completed return by October 15, 2026.
Best Practices
- File IRS Form 7004 before the April 15, 2026 due date to lock in your Arkansas extension.
- Calculate and remit your estimated Arkansas corporate income tax by April 15, 2026.
- Pay online via ATAP (Arkansas Taxpayer Access Point) or mail Form AR1155 with a check.
- Complete and submit your Arkansas C Corporation return by October 15, 2026.
Working with a Tax Professional
C Corporation returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Arkansas return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Arkansas return by October 15, 2026
How to Pay
Arkansas requires online payment for tax amounts of $750 or more. Submit electronically via the Arkansas Online Tax Extension Payment portal. For amounts under $750, complete Form AR1155 and mail with your payment.
Arkansas Online Payment Portal
Submit electronically through the Arkansas Online Tax Extension Payment system. Required for all payments $750 and above.
Form AR1155 by Check
Download Form AR1155 and mail with your check or money order. Include your EIN and tax year on the check.
P.O. Box 919
Little Rock, AR 72203-0919
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
C Corporation Quick Reference
| State Abbreviation | AR |
| Entity Type | C Corporation |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | April 15, 2026 |
| Extended Filing Deadline | October 15, 2026 |
| Payment Due | April 15, 2026 (100% of tax owed) |
| Payment Form | Form AR1155 |
| Online Payment | Arkansas Online Tax Extension Payment |
| State Agency | Arkansas Department of Finance and Administration |
| Failure to File Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
Arkansas Business Tax Extension – Fiduciary / Estate / Trust
Form AR1155 • Fiduciary / Estate / TrustArkansas Fiduciary Tax Extension
Estates and trusts subject to Arkansas income tax file with the Arkansas Department of Finance and Administration. A valid federal fiduciary extension gives you an automatic Arkansas extension as well – extending your filing deadline to October 15, 2026.
How the Extension Works
Arkansas fiduciary returns are extended automatically when a valid federal extension is in place. File the appropriate federal fiduciary extension, then pay any Arkansas fiduciary tax owed using Form AR1055-FE by April 15, 2026. The extended deadline to file your completed Arkansas fiduciary return is October 15, 2026.
Best Practices
- Secure your federal fiduciary extension before the April 15, 2026 original deadline.
- Submit Form AR1055-FE with any Arkansas fiduciary tax owed by April 15, 2026.
- Pay electronically through ATAP for fast confirmation and a digital payment record.
- File the completed Arkansas fiduciary return by October 15, 2026.
Working with a Tax Professional
Fiduciary / Estate / Trust returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your Arkansas return is filed accurately and on time.
- Get matched with a verified U.S.-based CPA or Enrolled Agent
- Upload your business documents via secure drag-and-drop
- Review your return with transparent, upfront pricing
- Your TaxPro files the Arkansas return by October 15, 2026
How to Pay
Arkansas requires online payment for tax amounts of $750 or more. Submit electronically via the Arkansas Online Tax Extension Payment portal. For amounts under $750, complete Form AR1155 and mail with your payment.
Arkansas Online Payment Portal
Submit electronically through the Arkansas Online Tax Extension Payment system. Required for all payments $750 and above.
Form AR1155 by Check
Download Form AR1155 and mail with your check or money order. Include your EIN and tax year on the check.
P.O. Box 919
Little Rock, AR 72203-0919
Late Filing & Payment Penalties
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
Fiduciary / Estate / Trust Quick Reference
| State Abbreviation | AR |
| Entity Type | Fiduciary / Estate / Trust |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | April 15, 2026 |
| Extended Filing Deadline | October 15, 2026 |
| Payment Due | April 15, 2026 (100% of tax owed) |
| Payment Form | Form AR1155 |
| Online Payment | Arkansas Online Tax Extension Payment |
| State Agency | Arkansas Department of Finance and Administration |
| Failure to File Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
| Failure to Pay Penalty | 5% of the amount of tax for each month or fraction of a month, up to a maximum of 35% |
Extended? Your Arkansas Business Return Deadline Is Coming Up.
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