New Jersey Statutes Title 40A. Municipalities and Counties 40A § 14-146.13

a. Except as specified in subsection b. of this section, a local unit may charge a reasonable fee as may be fixed by the governing body for equipment and uniforms supplied pursuant to this act, but may not charge a fee for the costs of training or issuing a certificate of appointment. The local unit shall not be required to compensate a special law enforcement officer for time spent in training;

b. In addition to charging a reasonable fee as fixed by the governing body for equipment and uniforms supplied pursuant to this act, a local unit with a population in excess of 300,000, according to the 1980 federal decennial census, may charge a fee for the costs of training and for the administrative costs of issuing a certificate of appointment for a special law enforcement officer whose duties consist solely of performing public safety functions for a private employer.