(a) (1) The following license fees shall be paid for the calendar year or major fraction thereof:
(A) General plumber or plumbing contractor, who shall qualify to engage in more than one kind of plumbing work, the sum as set by the governing body; and
(B) Limited plumber or plumbing contractor, who shall qualify to engage in not more than one kind of plumbing work, the sum as set by the governing body.
(2) Any license issued on or after July 1 of each year shall be issued upon payment of one-half the annual license fee.
(b) Each such license shall set forth the kind of plumbing work in which the licensee may engage. The licensee shall display his or her license at any place where he or she may be engaged in plumbing work or produce the same on demand of any city officer. All licenses shall be renewable annually as in the case of an original license on or before January 1 of the year for which issued.
(c) It shall be unlawful for any person, firm or corporation to contract for any kind of work covered by this article without having a valid license issued by the city to perform such contracts.