(a) At the time of biennial registration renewal each REHS shall submit written documentation that he or she has completed a minimum of 24 contact hours of approved coursework within the 24 months immediately preceding the date of expiration. The first 24 month period during which an REHS shall complete the contact hours shall begin on the first day that occurs: after this section initially becomes effective; and 24 months prior to the next expiration date of the certificate.

(b) Each REHS shall retain certificates of completion issued by accreditation agencies or recognized providers for five years following completion of the approved coursework.

(c) A REHS may apply in writing to the Department for an exemption from the continuing education requirements. Exemptions may be granted on the basis of serious illness or military duty. A person registered as an inactive retired REHS as specified in Health and Safety Code section 106695 shall be exempt from the continuing education requirement.

(d) During the 24 months prior to his or her biennial renewal an instructor may request continuing education credit only one time per approved coursework that the instructor teaches.