N.J. Stat. § 40A:10-37
Upon the establishment of a joint insurance fund, the officer or body of each local unit having the power to make appointments for the unit shall appoint one member of the governing body or employee of the local unit to represent that local unit as insurance fund commissioner. Each local unit may also appoint an alternate insurance fund commissioner who shall be a member of the governing body or employee of the local unit. Commissioners and alternates who are members of the governing body shall hold office for two years or for the remainder of their terms of office as members of the governing body, whichever shall be less, and until their successors shall have been duly appointed and qualified. Commissioners and alternates who are employees of the local unit shall hold office at the pleasure of the appointing officer or body. In the event that the number of local units represented is an even number, an additional commissioner shall be annually selected by the participating local units on a rotating basis. If the total number of member local units exceeds seven, the commissioners shall annually meet to select not more than seven commissioners to serve as the executive committee of the fund. The commissioners may also select not more than seven commissioners to serve as alternates on the executive committee. The executive committee shall exercise the full power and authority of the commission. Vacancies on the executive committee shall be filled by election of the entire board. The commissioners shall serve without compensation, except that the commissioners may vote to pay themselves a fee for attending commission meetings not to exceed $150 per meeting and the commissioners may vote to pay commissioners who serve on an executive committee a fee for attending executive committee meetings not to exceed $150 per meeting. Any vacancy in the office of insurance fund commissioner or alternate, caused by any reason other than expiration of term as a member of the local unit governing body, shall be filled by the appointing authority in the manner generally prescribed by law. The commission shall annually elect a chairman and a secretary.
In the case of a joint insurance fund established for the purposes of providing environmental liability coverage pursuant to subsection b. of section 1 of P.L. 1983, c.372 (C.40A:10-36), each member of that joint insurance fund shall have proportional voting based upon the current year's assessment.
N.J.S. § 40A:10-37