(a) Whenever the Commissioner considers it advisable, the Commissioner may examine the affairs, transactions, accounts, and records of a registered pharmacy benefits manager.
(b) The examination must be conducted under § 320 of this title.
(c) The expense of an examination is to be borne by the pharmacy benefits manager being examined. The expense includes the reasonable and proper expenses of the Commissioner, and the Commissioner's examiners and assistants, including expert assistance, and a reasonable per diem as to the examiners and assistants as necessarily incurred in the examination. The pharmacy benefits manager examined shall promptly pay the examination expense on presentation by the Commissioner or the Commissioner's examiner of a reasonably detailed written account of the examination expense.
(d) The Commissioner shall issue reports of the examination and investigation under § 321 of this title.