N.J. Stat. Ann. § 16:12-22

Such trustees shall present to each regular diocesan convention a statement of their proceedings, exhibiting the condition of the fund, together with an account of their receipts and disbursements. They may provide by laws for the removal of a trustee for good cause, and, on such removal, may declare the place vacant. Any vacancy in the office of trustee whether the same occur by death, resignation or removal of a trustee may be filled by the trustees until the next regular meeting of such convention. The convention shall permanently fill all vacancies existing in the trustees.