In observance of the holiday, OTR’s Walk-In Center and Call Center will close at 2:00 pm on Wednesday, December 24. Taxpayers can continue to complete transactions online at MyTax DC. Regular business hours will resume on Friday, December 26.

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OTR will host its annual Tax Practitioner’s Institute on Tuesday, January 13, 2026, beginning at 9 am. The workshop will be offered in a hybrid format, with an in-person session and a virtual option via Microsoft Teams. The seminar is free, but registration is required. Register here.