N.Y. Comp. Codes R. & Regs. tit. 13, § 51.2
(b) The books and records of a theatrical production company are to be organized in such a way as to fully record and clearly reflect all financial transactions, and with a view to assembling information and data appropriate for financial reports to be rendered. The following constitutes the minimum basic requirement for permanent type books of account to be kept (which may be combined in one volume):