New Jersey Statutes Title 52. State Government, Departments and Officers 52 § 17A-10

No member of the Department of Law  1 shall receive any compensation, fees or costs in addition to his regular salary for or by reason of any service performed by him for the State or for any political subdivision thereof except by allowance or appropriation by the Legislature, and any additional compensation, fees or costs so payable to or received by any member of the Department of Law, not so allowed or appropriated, shall be paid to the State Treasurer for the use of the State; but the provisions of this section shall not be construed to prevent the payment of compensation of any additional deputy attorney-general, who may be employed or designated by the Attorney-General solely to act in any county under section five of this act,  2 by the county in which he is designated to act by the Attorney-General.