Qualification for certification pursuant to § 21-27-11 — § 21-27-11.4, shall be successful completion of an examination and a training course as defined in the regulations. The regulation may include a provision for acceptance of prior training and experience in lieu of a training course for managers currently employed in the food industry. The training course, instructors, and examinations used for certification shall be approved by the division. The passing score for the examination shall be established by the division.