D.C. Mun. Regs. tit. 26-C, § 1806
1806.1 An operator of an automated teller machine shall affix a registration decal, issued by the Commissioner, to each automated teller machine operated in the District and registered pursuant to the Act.
1806.2 The registration decal required pursuant to § 1806.1 shall be affixed to the front side of the automated teller machine as directed by the Commissioner.
1806.3 No automated teller machine shall be operated in the District without a valid registration decal issued by the Commissioner.
SOURCE: Final Rulemaking published at 50 DCR 10324, 10328 (December 5, 2003).