N.Y. Comp. Codes R. & Regs. tit. 18, § 600.5
(2) Documentation of monetary controls to be used by a social services district will be maintained by the district in an appropriate record.
(b) Claims control.
A social services district must implement procedures which will assure that monthly or other appropriate charges, credits and related revenues are properly reflected in claims for reimbursement and on supporting documents and summaries. Such documents and summaries must be retained in each district.
(a) Monetary controls.
A social services district must maintain adequate monetary controls.