; (3) in paragraph (3), as so redesignated— (A) in subparagraph (A), by inserting , including payment rates under managed care entities or other specified entities (as such terms are defined in section 1903(m)(9)(D)), after under this title ; and (B) in subparagraph (B), by inserting and the basis for such dispensing fees before the semicolon; (4) by inserting after paragraph (4), as so redesignated, the following new paragraph: (5) Oversight (A) In general The Inspector General of the Department of Health and Human Services shall conduct periodic studies of the survey data reported under this subsection, as appropriate, including with respect to substantial variations in acquisition costs or other applicable costs, as well as with respect to how internal transfer prices and related party transactions may influence the costs reported by pharmacies affiliated with pharmacy benefit managers, wholesalers, distributors, and other entities that acquire covered outpatient drugs relative to costs reported by pharmacies not affiliated with such entities. The Inspector General shall provide periodic updates to Congress on the results of such studies, as appropriate, in a manner that does not disclose trade secrets or other proprietary information. (B) Appropriation There is appropriated to the Inspector General of the Department of Health and Human Services, out of any money in the Treasury not otherwise appropriated, $5,000,000 for fiscal year 2024, to remain available until expended, to carry out this paragraph.