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- E-File GRT
- E-File SWICA
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- Renew Business License
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Read the most recent Public Notices posted by the Guam Department of Revenue and Taxation.
- 2019 Real Property Tax Preliminary Assessment Roll & Notice 09/11/19
- Updated Non-Profit Listing 08/29/19
- 2018 Citizen Centric Report 08/26/19
- 2018 Real Property Tax Delinquent Tax Assessment 06/11/19
- Download Application for Veteran Exemption 04/17/19
- GDRT Announcement 2019-01 - Enforcement of 4% Withholding Assessment Fee on services provided by a foreign person pursuant to P.L. 33-166. 04/03/19
- Download Form 166 Withholding Assessment Fee 04/03/19
- GDRT Announcement 2019-03 – Annual Gross Receipts Tax Return for Banks, Banking Institutions, Small Lenders and Building and Loan Associations (Form BRFI) 03/25/19
- GDRT Announcement 2019-02 – Publication of Financial Information by Nonprofit Organizations 03/15/19
- Download 2018 1040 Form 02/14/19
- 2018 Real Property Tax Final Assessment Roll 01/31/19
- 2019 INCOME TAX FILING SEASON 01/17/19
- RFI 02 2018 - Request For Interest: Principal Guam Territorial Income Tax Attorney 11/01/18
- GDRT Announcement 2018-05 - Enforcement of extended Business Privilege Tax (BPT) rates pursuant to Section 2, Chapter I of P.L. 34-116. 10/26/18