(Washington, DC) The District of Columbia Office of Tax and Revenue (OTR) at 941 North Capitol Street, NE, including the customer service walk-in center, is closed for business today due to a malfunction in an air handling system motor. Repairs are being made to the air handling system today so that the building can reopen tomorrow. Residents can call (202) 727-4TAX for tax service updates or visit OTR’s website.