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Revenue & Taxation Procurement & Supply Customs

CNMI Department of Finance - Revenue & Taxation

Upcoming Filing Due Dates*:

There are no quarterly or annual filings due within the next 60 days

*Quarterly and annual filings only; within 60 days. All filings are due by 4:30PM on the due date of the respective form.

Download Forms, Instructions & Publications

November, 2016: OS-3105, OS-3300 Revision

The Monthly Business Gross Revenue Tax return and Bar & Hotel Tax returns have been revised and are effective starting the November filing period. The November, 2016 versions of the OS-3105 and the OS-3300 are now available online.

October, 2016: Form W-3-SS Online Filing

Anyone required to file Form W-2CM must file Form W-3SS to transmit Copy A of these forms to the Social Security Administration. For tax year 2016, all filings are now due on January 31, 2017, whether you file paper forms or electronically. For more information, please visit the Social Security Administration Business Services Online website.

Forms for 2016/2017:

By Form Description:

View form listing for the current tax period
View form listing for previous tax periods


** Note: For forms not listed below, instructions specific to the CNMI are included in the provided form. For general form instructions, please visit the IRS website.

Additional Forms, not otherwise classified:

Forms Archive: