N.J. Stat. § 56:1-1
Any person conducting or transacting business and using the designation "and company," or "& Co.," as a part of a firm or partnership name, shall file a statement in the office of the clerk of the county within which such business is conducted or transacted, and a duplicate thereof for filing in the office of the Secretary of State, as provided in section 56:1-3 of this Title. Such statement shall be duly executed and sworn to before some person authorized by the laws of this State to administer oaths, and shall state the nature of the business and the full names and residences of all persons who are members of such firm or partnership and if, the members of said firm or partnership or any of them are or is not resident in this State, such statement shall contain a power of attorney constituting the county clerk of the county, his successors in office, the true and lawful attorney of said nonresident partner or partners upon whom all original process in an action or legal proceeding against said firm or partnership may be served and therein he or they shall agree that such original process, which may be served on the county clerk, shall be of the same force and validity as if served upon said nonresident partner or partners and that the authority thereof shall continue in force so long as the firm or partnership does business in this State under said name.
N.J.S. § 56:1-1