N.J. Stat. § 30:9-12.5
The board of managers shall fix the salaries of the superintendent and other officers and employees subject to the approval of the board of chosen freeholders within the limitations of the appropriation made therefor, and such salaries shall be full compensation for all services rendered.
The board of managers shall have the general superintendence, management and control of the hospital, its personnel and the patients and all matters relating to its government, discipline, contracts and fiscal concerns; shall make necessary rules and regulations; shall adopt by-laws; shall furnish such reports, estimates of appropriations and other information as may be required by the board of chosen freeholders; shall perform such other duties and enforce such other regulations as from time to time may be prescribed by the board of chosen freeholders.
N.J.S. § 30:9-12.5