All certificates shall be kept and posted in the following manner:
(A) Any person to whom a certificate has been granted transacting and carrying on business at a fixed place of business in the city shall keep the certificate posted in a conspicuous place upon the premises where such business is carried on.
(B) Any person to whom a certificate has been granted transacting and carrying on business but not operating at a fixed place of business in the city shall keep the certificate upon his person at all times while transacting and carrying on such business.
('64 Code, § 13-28) (Ord. 50, passed - - ; Ord. 397, passed 3-22-71) Penalty, see § 10.97