(1) Unless the circumstances described in paragraph (2) apply, a participating issuer shall not rectify an issuer register of securities if such rectification would also require the rectification of an Operator register of securities.

(2) The circumstances referred to in paragraph (1) are that the rectification of an issuer register of securities is effected -

(a) with the consent of the Operator; or

(b) by order of a court in the United Kingdom.

(3) A participating issuer who rectifies an issuer register of securities in order to give effect to an order of a court in the United Kingdom shall immediately give the Operator written notification of the change to the entry, if any rectification of the Operator register of securities may also be required (unless the change to the issuer register is made in response to an Operator-instruction).

(4) An Operator who rectifies an Operator register of securities shall immediately -