11.—(1) If the holder of an approval which has been withdrawn or suspended pursuant to the Motorcycles Regulation or these Regulations purports by virtue of that approval to—
(a)issue a certificate of conformity with respect to a vehicle; or
(b)affix a statutory plate or mark pursuant to article 39 of the Motorcycles Regulation,
the certificate, plate or mark is invalid.
(2) The approval authority may, by notice given to the holder, exempt from paragraph (1) certificates of conformity or classes of certificates of conformity specified in the notice.
(3) The suspension of an approval does not affect the validity of any certificate of conformity issued under it before that suspension.