R.I. Gen. Laws § 5-6-19: Display of licenses.

(a) Holders of Licenses B, F, BF, CF, M, A, E, AF, SCF, LPC, and LPI shall be furnished by the division of professional regulation with evidence of having been licensed in card form or otherwise, which shall be carried on the person of the licensee and exhibited on request.

(b) Any sign, listing, or advertisement of any type of a holder of those licenses shall contain the holder’s name, address, and license number; provided, only those persons, firms, or corporations who or that are holders of a Class A license shall be permitted to advertise for the employment of journeyperson or electrical apprentices.