After May 10, 1926, in the payment of compensation of per diem employees of the government of the District of Columbia, a signature by mark duly witnessed by an employee of such District designated for that purpose by the Mayor shall be deemed a full legal acquittance as to such signature.
D.C. Code § 1-505
Effect of signature by mark upon payment of compensation
May 10, 1926, 44 Stat. 453, ch. 276, § 7
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.