D.C. Code § 28-4502 : LOCAL BUSINESS AFFAIRS — COMMERCIAL INSTRUMENTS AND TRANSACTIONS — OTHER COMMERCIAL TRANSACTIONS — RESTRAINTS OF TRADE —4502 - Contract, combination, or conspiracy to restrain trade

Every contract, combination in the form of a trust or otherwise, or conspiracy in restraint of trade or commerce all or any part of which is within the District of Columbia is declared to be illegal.

D.C. Code § 28-4502

Mar. 5, 1981, D.C. Law 3-169, § 2, 27 DCR 5368.

Prescription drugs, unfair trade restraints, see § 48-804.02. .