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Updated/Published: 2 February, 2026

Optimal E-Services Registration Process

The Guyana Revenue Authority wishes to remind taxpayers that registration for an e-services account via the Optimal Revenue Management System (RMS) requires you to upload a scanned copy of your valid National Identification/passport/driver’s licence.

The Revenue Authority continues to receive submissions from registrants who failed to upload the required credentials, and as a result, the entity is unable to process and create their accounts.

Taxpayers who require information and guidance on the registration process can view the video demo via the YouTube link https://www.youtube.com/watch?v=ykm0WrjE1nI&t=163s  or contact Tax Advisory Services on 220-6060 ext. 8000.