N.Y. Retire. & Soc. Sec. Law § 413

§ 413. Limitation of other statutes. a. No other provision of law in\nany other statute which provides wholly or partly at the expense of the\nstate or of a participating employer for pensions, retirement benefits,\nemoluments or awards for employees in police or fire service, their\nwidows or other dependents, shall apply to members or beneficiaries of\nthe policemen's and firemen's retirement system established by this\narticle, their wiodws or other dependents.\n b. This article shall not:\n 1. Prevent a person whose salary is paid from two or more sources,\neach entitling him to membership in a retirement system, from being a\nmember in all such systems, or\n 2. Supersede or make inoperative the provisions of section two hundred\ntwenty-seven of the executive law in so far as they apply to an officer\nor employee in the division of state police of the executive department\nwho is a member of the retirement system.\n 3. Prevent the extension of old-age and survivors insurance coverage\nto members of the policemen's and firemen's retirement system or the\nreceipt of benefits therefrom by such members, their wives or widows or\ntheir other dependents.\n 4. Prevent a member of the policemen's and firemen's retirement system\nwhose membership is authorized by paragraph nine of subdivision c of\nsection three hundred forty of this article, from receiving, upon his\nsubsequent retirement from the policemen's and firemen's retirement\nsystem, benefits based on service not included in that upon which his\nretirement or pension from another pension or retirement system is or\nwould be based.\n 5. Prevent payment of a survivor's benefit, pursuant to section one\nhundred fifty-four of the civil service law, on account of the death of\na member of the retirement system.\n c. The provisions of this article shall be operative, notwithstanding\nany contrary provision of law.\n