News Release 2026-13 Hawaiʻi Department of Taxation Reminds Taxpayers of Upcoming Filing and Disaster Relief Deadlines
STATE OF HAWAIʻI
KA MOKU ʻĀINA O HAWAIʻI
JOSH GREEN, M.D.
GOVERNOR
KE KIAʻĀINA
DEPARTMENT OF TAXATION
KA ‘OIHANA ‘AUHAU
GARY S. SUGANUMA
DIRECTOR
KA LUNA HO‘OKELE
HAWAIʻI DEPARTMENT OF TAXATION REMINDS TAXPAYERS OF UPCOMING FILING AND DISASTER RELIEF DEADLINES
News Release 2026-13
FOR IMMEDIATE RELEASE
October 7, 2026
HONOLULU — The Hawai‘i Department of Taxation (DOTAX) reminds all taxpayers of upcoming key tax deadlines, including routine filings for income tax, general excise tax (GET), and transient accommodation tax (TAT), as well as relief measures related to Hurricane Lala and Hurricane Lowell.
For full information on hurricane relief, including applicable tax returns and relevant tax periods, please see the official Tax Announcement 2026-07 for Hurricane Lala, here, and Tax Announcement 2026-08 for Hurricane Lowell, here.
DOTAX urges individuals, businesses and organizations to note these critical dates and avoid penalties. Relief is available for those affected by recent severe weather. Please act promptly to file or request relief by the deadlines below.
| Event / Filing Type | Taxes Affected | Tax Period Covered | Deadline | Notes | |
| Regular Income Tax (Extension) | State Income Tax | Tax year 2025 |
Tuesday, October 20, 2026 |
Automatic 6-month extension to file applies if refund due or estimated tax paid by April 20 | |
| Regular GET and TAT Monthly Filing | GET, TAT | September 2026 |
Tuesday, October 20, 2026 |
Periodic returns due 20th day of following month | |
|
Hurricane Lala Relief (Form L‑115A) |
State Income Tax | Tax year 2025 | Tuesday, October 20, 2026 |
Waivers of penalties and interest available for affected filings/payments | |
| Hurricane Lala Relief | GET, TAT | July 2026 to August 2026 | Tuesday, October 20, 2026 |
Waivers of penalties and interest available for affected filings/payments | |
|
Hurricane Lowell Relief (Form L-115B) |
GET, TAT | August 2026 to November 2026 | Wednesday, January 20, 2027 | Waivers of penalties and interest available for affected filings/payments |
For state income tax, residents must file Form N-11, while nonresidents and part-time residents mustfile Form N-15. If taxpayers did business in Hawai‘i, they must also file Form G-45, the periodic General Excise/Use Tax, and, if applicable, Form TA-1, the periodic Transient Accommodations Tax Return. For disaster relief, requests can be made using Form L‑115A for Hurricane Lala and Form L‑115B for Hurricane Lowell.
Taxpayers may make tax payments online at Hawaiʻi Tax Online at https://hitax.hawaii.gov. If taxesare owed on the return, failure to pay by the deadline may result in the imposition of penalties and interest.
File Electronically
Taxpayers are encouraged to electronically file (e-file) their tax returns. E-filing reduces delays and speeds up processing times, resulting in faster refunds than those who file by paper.
Form G-45 and TA-1 may be e-filed for free using DOTAX’s online tax filing system, Hawaiʻi Tax Online (HTO) at https://hitax.hawaii.gov.
Form N-11 and N-15 may be e-filed for a fee using one of the approved commercial tax preparation software options provided at https://tax.hawaii.gov/eservices/software/.
Taxpayers may also e-file their Form N-11 for free using HTO at https://hitax.hawaii.gov.
Tax Forms
Tax forms and instructions are available to view, download and print online at https://tax.hawaii.gov/forms/. Printed tax forms and instructions are available for pick up at all state tax offices. Public libraries also carry printed N-11 and N-15 forms in limited quantities and haveprinted N-11 instructions available for reference use only.
For More Help
The DOTAX website (https://tax.hawaii.gov) provides additional information, forms and guidance on filing individual income tax returns or other tax returns. If taxpayers are unable to resolve issues after reading form instructions and searching the DOTAX website, Taxpayer Services agents are available by phone at 808-587-4242 Monday through Friday from 8:00 a.m. to 4:00 p.m.
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