D.C. Code § 16-4211

This chapter modifies, limits, or supersedes the federal Electronic Signatures in Global and National Commerce Act, approved June 30, 2000 (114 Stat. 464; 15 U.S.C. § 7001 et seq.), but this chapter does not modify, limit, or supersede section 101(c) of that act [15 U.S.C. § 7001(c) ] or authorize electronic delivery of any of the notices described in section 103(b) of that act [15 U.S.C. § 7003(b) ].