Upon granting or renewing a license, the commissioner shall issue a suitable certificate which shall be displayed conspicuously in the dealer's place of business.
Conn. Gen. Stat. § 22-237
(1949 Rev., S. 3148; 1959, P.A. 116, S. 6; 347, S. 1; 1967, P.A. 656, S. 21; P.A. 91-312, S. 36.)