N.Y. Comp. Codes R. & Regs. tit. 18, § 398-4.7
(2) Any changes to SSA representative payees appointed or assigned at the Federal level must be processed through SSA.
(b) SSP-only recipients.
Individuals or couples receiving SSP-only benefits may request a designated representative and may grant authority for the designated representative to act as a payee, or to represent the SSP recipient at a fair hearing, or to assist in case management by providing and obtaining information about the case. A designated representative payee is required for a minor child, and for those individuals who have been found to lack capacity under article 81 of the Mental Hygiene Law or where the need for a designated representative payee is deemed appropriate under procedures established by the office.
(a) SSI and SSP recipients.