N.J. Stat. § 47:2-4: Examination of records of counties, municipalities or public bodies and institutions; indexing and preservation

The public record office, through its director, shall examine into the condition of the records, books, pamphlets, documents, manuscripts, archives, maps and papers, now or hereafter kept, filed or recorded in the several public offices of every county or municipality, or required by law to be kept by any public body, board, institution or society created under any law of the state in any county or municipality.

Any public official may prescribe such system of indexing, and establish such rules and regulations concerning the care and preservation of such records as to him shall seem proper in any department of which he is in charge.