N.J. Stat. § 45:8A-1
The State Board of Examiners shall, upon application, issue to any person a professional librarian's certificate to act as a professional librarian if he shall be a graduate from a library school accredited by the State Board of Education and shall meet such other requirements as shall be fixed by the State Board of Education for the issuance of such certificates except that the State Board of Examiners shall, upon application, issue such certificate to any person holding, at the time this act becomes effective, a professional office, or position, that requires for adequate performance the knowledge and techniques of library science as taught in accredited library schools, in any library within this State supported in whole or in part by public funds, except in a library under the charge and control of a board of education, provided such application is made within three years from the effective date of this act or in the case of a veteran of World War II or a member of the American Merchant Marine during World War II who is declared by the United States Department of Defense to be eligible for federal veterans' benefits, such a certificate shall be issued to any person holding such a professional office or position, who has held the same since November 1, 1957, provided application is made within 30 days of the enactment of this 1991 amendatory act.
N.J.S. § 45:8A-1