Any plumber who shall not so register at the office of the Plumbing
Inspector during the month of December in each year will not be granted
any permits for plumbing construction or installations after January
1, until such time as he has duly registered as aforesaid.
Each person so registering shall pay to the Plumbing Inspector
an annual fee of $125. Furthermore, each person so registering must
obtain a certificate of competency from the Examining Board of Plumbers.
In order to obtain the same, a plumbing exam is required to be taken
by each person and there shall be a nonrefundable application fee
paid at the time of filing of said application in the amount of $125.