Department of Taxation, State of Hawaii

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or Sole-Proprietor
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To file both your personal income tax returns (e.g., estimated returns, extensions) and business returns as a Sole Proprietor (withholding tax returns). You will need to provide your Social Security Number (SSN).
Visit to create an account and file your extension form for GE/WH/TA/RV-6 beginning August 15, 2016.
To file tax returns and tax forms as a Partnership, Corporation, Fiduciary, Non-profit organization, etc. You will need to provide your Federal Employer Identification Number (FEIN). Single-member LLCs electing to file as the single-member should register as the single-member. (e.g., If electing to file as a sole proprietor, you should register as an individual.)
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1.16.77 (07/31/2017)