N.Y. Comp. Codes R. & Regs. tit. 9, § 4300.26
(2) The totalisator company shall develop and maintain a written Systems Development Life Cycle (SDLC) that requires sign-offs at pertinent checkpoints. The SDLC must address the following or the equivalent as acceptable to the commission:
(3) A totalisator company must develop and follow procedures to manage all program changes without regard to the complexity of the modification. The procedures must at a minimum:
(4) Before a totalisator company may place a major programming revision into production or transfer any data affected by the revision from the test environment to the production environment, the totalisator company must follow the procedures for changes to totalisator software found in section 4300.25(d) of this Part.
(b) Totalisator operations.
A totalisator company shall maintain a written operations manual for each totalisator system. The manual must clarify the authority, duties, responsibilities, and lines of communication for totalisator operators and network managers. The manual must contain sufficient detail to ensure totalisator personnel understand their job duties. The operations manual must include complete documentation for operation of the totalisator system and its software, including at a minimum:
(a) Programming.