D.C. Code § 48-801.06
A pharmacy may charge any current selling price, discount, service availability or service charge, at any time; provided, that the poster and sources of consumer information are adjusted accordingly.
Sept. 10, 1976, D.C. Law 1-81, title I, § 106, 23 DCR 2460
1973 Ed., § 33-816.
1981 Ed., § 33-716.