N.J. Stat. Ann. § 52:18-7.1

Whenever the deputy State Treasurer shall be ill or absent from his office the State Treasurer is hereby authorized to designate one of his assistants to act as deputy State Treasurer, during the illness or absence of the latter official; and such person so designated shall have all the powers and perform all the duties cast by law upon the deputy State Treasurer. Such person so designated shall take the same oath of office and give the same official bond as is required of the deputy State Treasurer.