Section 28:3-401 - Signature necessary for liability on instrument(a) A person is not liable on an instrument unless (i) the person signed the instrument, or (ii) the person is represented by an agent or representative who signed the instrument and the signature is binding on the represented person under section 28:3-402.(b) [Repealed by 2024 Amendment.]Amended by D.C. Law 25-158,§ 2, 71 DCR 002265, eff. 4/20/2024.Dec. 30, 1963, 77 Stat. 682, Pub. L. 88-243, § 1; Mar. 23, 1995, D.C. Law 10-249, § 2(d), 42 DCR 467.