(a) No person shall engage in the business of plumbing or perform any plumbing work in the City without first registering as a master or journeyman plumber as provided in this chapter.
(1979 Code Sec. 5.94.010)
(b) All plumbers licensed under Act 260 of the Public Acts of 1933, as amended (M.C.L.A. 338.901 et seq.), residing or doing plumbing work in the City, shall, on or before April 1 in each year, cause their names to be registered in the office of the City Clerk as a master or journeyman plumber, as the case may be.
(1979 Code Sec. 5.94.020)