(a) Any person who becomes a municipal judge on or after January 1, 1991, shall satisfactorily complete 20 hours of training in the performance of his duties, prior to December 31, 1991, and shall attend the first scheduled training session held after the date of his election or appointment in order to become certified under this article. Any person serving as a municipal judge prior to January 1, 1991, shall be exempt from completing these 20 hours of training.

(b) In order to maintain the status of a certified municipal judge, each person certified as such shall complete 12 hours of additional training per annum during each calendar year after the year of his initial certification in which he serves as municipal judge.