Every fire commissioner who is elected, reelected, appointed or reappointed shall attend and successfully complete an approved training course within 270 days of taking office on or after January 22, 2007. A fire commissioner may satisfy this requirement by attending and successfully completing course modules offered by different persons or organizations. A fire commissioner receiving documentation evidencing attendance and successful completion of an approved training course or course module shall retain it until the expiration of his or her term of office during which the documentation was issued, or until he or she vacates the office of fire commissioner prior to the expiration of that term, whichever is sooner.