New Jersey Statutes Title 53. State Police 53 § 2-29

a. Any officer or employee in the State, county, or municipal civil service in either State who shall transfer to service with the division may be given one or more leaves of absence without pay and may, before the expiration of the leave or leaves of absence, and without further examination or qualification, return to the person's former position or be certified by the appropriate civil service agency for retransfer to a comparable position in the State, county, or municipal civil service if a comparable position is then available.

b. The division may, by agreement with any federal agency from which any officer or employee may transfer to service with the division to undertake any of the duties or responsibilities established pursuant to P.L.2017, c. 324 (C.32:23-229 et al.), make similar provision for the retransfer of the officer or employee to that federal agency.

c. Notwithstanding the provisions of any other law, rule, or regulation, any officer or employee in the State, county, or municipal service in either State who shall transfer to service with the division and who is a member of any existing State, county, or municipal pension or retirement system in New Jersey or New York, shall continue to have all rights, privileges, obligations, and status with respect to that fund, system, or systems as if the person had continued in State, county, or municipal office or employment, but during the period of service as a member, officer, or employee of the division, all contributions to any pension or retirement fund or system to be paid by the employer on account of the member, officer, or employee, shall be paid by the State Treasurer. The division may, by agreement with the appropriate federal agency, make similar provisions relating to continuance of retirement system membership for any federal officer or employee so transferred.