Wash. Admin. Code § 230-15-730
(1) House-banked card game licensees must keep and maintain a complete set of accounting records which we have approved before licensure. These records must include all receipts and disbursements of the licensee, including, at least, those related to gambling activities.
Revenue, costs, and expenses.
(2) Licensees must keep legible, accurate, and complete records of all transactions relating to the revenues, costs, and expenses of the gambling operation. Licensees must keep these records in a format that ensures consistency, comparability, and effective disclosure of financial information.
Accounting system.
(3) Licensees must keep an accounting system on a double entry method of accounting with transactions recorded on an accrual basis and in conformity with United States' Generally Accepted Accounting Principles (GAAP).
Recordkeeping.
(4) Licensees must keep detailed, supporting, and subsidiary records including, at least:
(f) Master game reports that reflect drop and win amounts for each table, for each game. These records must cover at least each period for which the drop boxes are removed, or at the minimum, the period of each gambling day.
Copies.
(6) If forms, records, and documents are required to be inserted into a locked dispenser, the last copy must remain in a continuous unbroken form in the dispenser.
Storing documents.
[Statutory Authority: RCW 9.46.070. WSR 07-09-033 (Order 608), § 230-15-730, filed 4/10/07, effective 1/1/08.]