D.C. Mun. Regs. tit. 27, § 1200
1200.1 Only a contracting officer is authorized to sign and enter into a contract on behalf of the District.
1200.2 The contracting officer's name and official title shall be typed or printed on the contract.
1200.3 The contracting officer shall:
(a) Ensure that the person signing on behalf of the contractor has the authority to bind the contractor; and
(b) Sign the contract after it has been properly signed by the contractor.
SOURCE: Final Rulemaking published at 35 DCR 1402 (February 26, 1988); as amended by Notice of Emergency and Proposed Rulemaking published at 58 DCR 9071 (September 27, 2011)[EXPIRED]; as amended by Notice of Final Rulemaking published at 58 DCR 11077 (December 23, 2011).