The Lord Chancellor.

The Lord Chief Justice or any other judge of the High Court or the Court of Appeal.

The Attorney-General.

The Non-contentious Costs Committee established under ArticleF1 71 of the Solicitors (Northern Ireland) Order 1976 [1976 NI 12] .

The Northern Ireland Crown Court Rules Committee.

F2The Northern Ireland Family Proceedings Rules Committee.

The Northern Ireland Supreme Court Rules Committee.

Any authority having for the time being power to make—

1. a

   county court rules;

2. b

   magistrates' courts rules; or

3. c

   rules or orders under section 21 of the Interpretation Act (Northern Ireland) 1954 [1954 c.33] , regulating the practice and procedure of any court or tribunal.