Okla. Admin. Code § 45:30-5-10
(a) Every licensed Beer Distributor, Small Brewer Self-Distributor, or Brewpub Self-Distributor of beer or brewed products shall keep a full, separate, complete and accurate record of all expenditures with regard to alcoholic beverages. No such expenditures of a Beer Distributor, Small Brewer Self-Distributor, or Brewpub Self-Distributor shall be commingled with the expenditures of any other business or businesses operated by the Beer Distributor, Small Brewer Self-Distributor, or Brewpub Self-Distributor. The minimum required records shall show clearly and accurately for each expenditure the following information:
Amended at 35 Ok Reg 833, eff 10-1-18