N.J. Stat. Ann. § 40:33-8.1

The county library commission of any county or the board of trustees of any regional library established by 2 or more counties may, within the limits of funds appropriated or otherwise made available to the commission or board, purchase the following without advertising for bids therefor: (1) library materials including books, periodicals, newspapers, documents, pamphlets, photographs, reproductions, microforms, pictorial or graphic works, musical scores, maps, charts, globes, sound recordings, slides, films, filmstrips, video and magnetic tapes, other printed or published matter, and audiovisual and other materials of a similar nature; (2) necessary binding or rebinding of library materials; and (3) specialized library services.