Any certificate issued by the board of examiners pursuant to this article shall expire
on December 31 of even-numbered years and may be renewed without reexamination upon
recommendation of the board and no proof having been presented that the holder is
not entitled to renewal. In addition, proof of 12 clock hours of continuing education
of a type acceptable to the building official shall be submitted biennially at the
time of license renewal in order to renew. All certificates, which are nontransferable,
must be registered with the building official not later than January 10 of the year
following expiration or they will become void, and it is hereby made the duty of each
master plumber to see that each journeyman plumber and apprentice working for him
has been registered.
