12.—(1) Where a certificate holder makes any change to the system, scheme or product in respect of which a certificate has been issued to the certificate holder, being a change that the Board specifies as a change to which this rule applies, the certificate holder must, within such time as the Board may specify, notify the Board in writing of that change.
(2) Upon notification by the certificate holder in accordance with paragraph (1), the Director‑General may conduct an inspection and re‑certification as the Director‑General considers necessary.