A licensed osteopathic physician shall keep a suitable book, file, or record of each and every drug compounded or dispensed by him/her. This book, file, or record shall be kept for a period of not less than five (5) years. This book, file, or record shall be maintained separately from all other records of the registrant and must be open for inspection and copying by the Board. A record of all purchases of scheduled controlled substances shall also be open for inspection and copying by the Board.
Okla. Admin. Code § 510:5-3-4