One requirement of the professional school counselor is to maintain their certification through professional development and continuing education credits. (onlinecounselingprograms.com)
If you are nationally certified, however, maintaining your certification requires CE (twenty units of continuing education every 2 years). (pharmacytechpros.com)
Among other things, the law requires that collective bargaining units take annual votes to maintain certification as a union. (californiapolicycenter.org)