N.J. Stat. § 45:12-8
Every person practicing optometry shall display his registration certificate or certificates, together with his registration renewal certificate or certificates, in a conspicuous place in the office or offices wherein he practices optometry, but not in such manner that they may be seen from the outside of such office or offices, and, whenever required, exhibit the registration and renewal certificates to the board or its authorized representatives. Every office where an optometrist is practicing shall have displayed on a sign so as to be read on the outside of the office the name of each optometrist practicing therein. When practicing the profession of optometry outside of or away from the office he shall deliver to each patient a bill for professional services rendered, which shall contain his full name, home post-office address and the address of his principal office in this State, the number of his certificates, and his signature.
Every person practicing optometry in New Jersey shall notify the board in writing of any change of address or location of his office or offices at least 5 days prior to occupying said new office, returning therewith the appropriate registration renewal certificate or certificates and the board shall issue a new registration renewal certificate or certificates for the new office location or locations.
N.J.S. § 45:12-8