Hawaii Tax ID Number Changes

The Department of Taxation is moving to a new integrated tax system as part of the Tax System Modernization Program. As of August 15, 2016, a new system is being used to administer general excise; rental motor vehicle, tour vehicle, and car-sharing vehicle surcharge; seller’s collection; transient accommodations; use; and county surcharge tax types. Taxpayers will benefit from faster processing and Hawaii Tax Online, a new website for managing these tax accounts. Hawaii Tax Online will provide improved access to account information and free e-filing options.

When tax accounts move to the new system, existing Hawaii Tax ID numbers associated with general excise; rental motor vehicle, tour vehicle, and car-sharing vehicle surcharge; seller’s collection; transient accommodations; and use tax types will be replaced with a new Hawaii Tax ID number format. The new Hawaii Tax ID number format makes it easy to distinguish between customer ID and Hawaii Tax ID account numbers. Hawaii Tax ID number prefixes also make it possible to know the associated tax type at a glance. To avoid inconveniencing taxpayers, the Department of Taxation will continue to support tracking old Hawaii Tax ID numbers and processing returns/payments received with old Hawaii Tax ID numbers.

New licenses and certificates of registration reflecting new Hawaii Tax ID numbers will be mailed to taxpayers with active accounts by late August. After receiving new Hawaii Tax ID numbers, taxpayers should provide them to financial institutions and other businesses as needed. This will help prevent any future confusion when tax forms and other documents are updated to reflect the new Hawaii Tax ID number format.

Old Hawaii Tax ID Number Format New Hawaii Tax ID Number Format
W########-## ??-###-###-####-##

Example:

W12345678-01

Example:

GE-123-456-7890-01

Note: Other business tax types will continue to use the old Hawaii Tax ID number format for another year. Account numbers for corporate income, franchise, public service company, and withholding tax types will remain the same until August 2017. The first two characters represent the tax type:

  • GE for General Excise Tax and County Surcharge
  • TA for Transient Accommodations Tax
  • RV for Rental Motor Vehicle, Tour Vehicle, and Car-Sharing Vehicle Surcharge
  • SC for Seller’s Collection
  • UO for Use Tax Only

See also: