N.Y. Civil Practice Law & Rules § 5242
(f) An employer or income payor shall be liable to the creditor for failure to deduct the amounts specified in the income deduction order, provided however that deduction by the employer or income payor of the amounts specified shall not relieve the debtor of the underlying obligation of support. If an employer or income payor shall fail to so pay the state disbursement unit or, if a spousal support only payment the creditor, the creditor may commence a proceeding against the employer or income payor for accrued deductions, together with interest and reasonable attorney's fees. If the debtor's employment is terminated by resignation or dismissal at any time after service of the income deduction order, the order shall cease to have force and effect unless the debtor is reinstated or re-employed within ninety days after such termination. An employer must notify the issuer promptly when the debtor terminates employment and must provide the debtor's last address and the name and address of the debtor's new employer, if known. An income payor must notify the issuer when the debtor no longer receives income and must provide the debtor's last address and the name and address of the debtor's new employer, if known. Where the income is compensation paid or payable to the debtor for personal services, the amount withheld by the employer shall not exceed the following: