26.—(1) Where a registered European lawyer fails to comply with the rules of professional conduct to which he is subject under regulation 25, he shall be subject to the same rules of procedure, penalties and remedies as a member of the professional body with which the European lawyer is registered and shall, if appropriate, be subject to disciplinary prodeedings brought by an appropriate authority.
(2) Any sanction against a registered European lawyer in relation to disciplinary proceedings may include withdrawal or suspension of his registration.
(3) The appropriate authority shall give reasons for its decision.
(4) In this regulation, an appropriate authority means—
(a)where the registered European lawyer is registered with one of the solicitors' professional bodies, an authority having disciplinary jurisdiction over solicitors in England and Wales or Northern Ireland, as the case may be;
(b)where the registered European lawyer is registered with one of the barristers' professional bodies, an authority having disciplinary jurisdiction over barristers in England and Wales or Northern Ireland, as the case may be;
(c)where the registered European lawyer is registered with more than one of the solicitors' professional bodies or the barristers' professional bodies, an authority having disciplinary jurisdiction over solicitors or barristers, as the case may be, in England and Wales or Northern Ireland.