D.C. Mun. Regs. tit. 9, § 3001
3001.1 Each report, claim, or application required by the Act or this chapter shall be made on forms approved by the Deputy Chief Financial Officer of the Office of Tax and Revenue or in a manner prescribed or approved by the Deputy Chief Financial Officer.
3001.2 Approved forms may be obtained from Room 480, 441 4th Street, N.W., Washington, D.C. 20001.
SOURCE: Final Rulemaking published at 28 DCR 3622, 3623 (August 14, 1981).