21 U.S.C. § 1715: GAO audit

Not later than 4 years after October 24, 2018, and every 4 years thereafter, the Comptroller General of the United States shall—(1) conduct an audit relating to the programs and operations of—(A) the Office; and (B) certain programs within the Office,1 including—(i) the High Intensity Drug Trafficking Areas Program; (ii) the Drug-Free Communities Program; and (iii) the campaign under section 1708(f) of this title; and (2) submit to the Director 1 and the appropriate congressional committees 1 a report containing an evaluation of and recommendations on the—(A) policies and activities of the programs and operations subject to the audit; (B) economy, efficiency, and effectiveness in the administration of the reviewed programs and operations; and (C) policy or management changes needed to prevent and detect fraud and abuse in such programs and operations.