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; ¹ 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.