In our continued effort to strengthen the security of our system and protect your tax information, DRT has changed the way you login to GuamTax. Re-registration is required to get your new login credentials.
If you have any questions, please visit our FAQ section.
Notice to Apple computer/device Users: There have been reports of payment services on this site that are failing with the use of the SAFARI browser and Chrome iOS 14_*. We highly recommend that you use an alternate web browser.
WARNING: Warning: THIS GOVERNMENT OF GUAM SYSTEM IS FOR AUTHORIZED USE ONLY! Use of this system constitutes
consent to monitoring, interception, recording, reading, copying or capturing by authorized personnel of all activities.
There is no right to privacy in this system. Unauthorized use of this system is prohibited and subject to criminal and
civil penalties, including all penalties applicable to willful unauthorized access (UNAX) or inspection of taxpayer records
(under 18 U.S.C. 1030 and 26 GTITC 7213A and 26 GTITC 7431).
ANYONE USING THIS SYSTEM EXPRESSLY CONSENTS TO SUCH MONITORING.
** NOTICE OF DOWNTIME **
This site will be unavailable on Dec. 13, 2023, from 5:30PM to 6:30PM, due to planned network infrastructure upgrade. Thank you for your understanding as we continue to implement improvements to better serve you.