The Lord Chancellor and the receiving party may appear at—
any hearing in relation to which notice has been given under regulation 16(3)(c);
the hearing of any appeal under regulation 18(5); or
the hearing of any application under regulation 19(8).
The Lord Chancellor may, instead of appearing under paragraph (1), give evidence in the form of a written statement to the court, verified by a statement of truth.
The Lord Chancellor must file with the court any statement under paragraph (2), and serve a copy on the receiving party, not less than seven days before the hearing to which it relates.