(a) Each and every fur product, except those exempted under § 301.39 of this part, shall be labeled and invoiced in conformity with the requirements of the act and rules and regulations.

(b) Each and every fur, except those exempted under § 301.39, shall be invoiced in conformity with the requirements of the act and rules and regulations.

(c) Any advertising of fur products or furs, except those exempted under § 301.39, shall be in conformity with the requirements of the act and rules and regulations.