Each licensee shall maintain a single-entry bookkeeping system for the purpose of recording all receipts and expenditures in connection with the conduct of bingo and the disbursement of net proceeds derived therefrom. Such bookkeeping system shall consist of a columnar book prepared in the manner shown in Exhibits 1 and 2 infra (see Appendix T-1 of this Title) and shall be maintained on a calendar or fiscal year basis. The functions of bookkeeper and duly authorized signer of checks shall not be performed by the same person.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 4821.13