N.Y. Comp. Codes R. & Regs. tit. 18, § 626.1
(b) Expenditures made by social services districts for federally reimbursed aid to dependent children shall be subject to reimbursement by the State in accordance with provisions of sections 153 and 358 of the Social Services Law, provided that amounts claimed as Federal participation are claimed in a manner that results in the greatest proportion of Federal participation, or is claimed in accordance with department instructions or directions, including but not limited to the following claiming principles: