D.C. Mun. Regs. tit. 22-C, § 101
101.1 Where the Act or this subtitle requires a signature, the requirement shall be satisfied by a wet ink signature, e-signature, digital signature, clickwrap signature, or any other mark demonstrating an intent to sign unless a specific type of signature is specifically required by the Act or this subtitle.
SOURCE: Final Rulemaking published at 73 DCR 002136 (February 20, 2026).