Except as provided in §B of this regulation, superintendent, operator, temporary, and grandparented certificates are valid for 3 years from the date of issuance. The initial superintendent certificate issued to an individual in any category is valid for 1 year and shall be renewed by the Board for 3 years once the certificate holder has satisfactorily completed the superintendent certification training program approved by the Board. A certificate is invalid after the expiration date of the current certificate if not renewed in accordance with the requirements of Regulation .12 of this chapter. A certificate holder may request to consolidate multiple certificate renewal dates if all renewal requirements for the certificates have been met. Certificates may be valid for less than 3 years in this event.