Regulation 51 Power to amend certificates
The Area Director may amend a certificate where in his opinion–
there is some mistake in the certificate; or
it has become desirable for the certificate to extend to
proceedings; or
other steps; or
subject to regulation 46(3), other proceedings; or
proceedings which under the Act may be taken to enforce or give effect to any order or agreement made in the proceedings in respect of which the certificate was issued; or
the bringing of an interlocutory appeal; or
proceedings in the Court of Justice of the European Communities on a reference to that Court for a preliminary ruling; or
representation by an EEC lawyer; or
it has become desirable to add or substitute parties to the proceedings in respect of which the certificate was issued; or
it has become desirable for the certificate to extend to any steps having the same effect as a cross-action or as a reply thereto, or a cross-appeal; or
it has become desirable for the certificate not to extend to certain of the proceedings in respect of which it was issued; or
a change of solicitor should be authorised.