Section 43:15A-66 - Effective date of participation(a) If the employer shall so consent to the enrollment of its employees and the board of trustees shall so approve, participation in the retirement system shall become effective on the date fixed by such board, but not later than 6 months following such approval by the board of trustees of the retirement system. In such event, all service rendered to the employer by its employees previous to the effective date of such participation or previous to July 1, 1966, whichever is earlier, shall be credited to its employees who file application for membership within 1 year from such effective date, and such credit to its employees shall be known as prior service credit, and the obligation of the employer on account of such credit shall be known as the accrued liability. Membership shall be compulsory for all employees entering the service of the employer after the effective date of such participation or after June 30, 1966, whichever is earlier.(b) No credit shall be allowed for service rendered to the employer prior to July 1, 1966 to any person becoming a member of the retirement system pursuant to subsection b of section 65 of this act unless the employer consents thereto by resolution pertaining to all eligible employees and files a certified copy of such resolution with the board of trustees of the Public Employees' Retirement System and the said board of trustees approves thereof.L.1954, c.84, p.517, s.66; amended by L.1966, c.71, s.2; L.1966, c.217, s.16.