The Civil Procedure Rules 1998

[F1[F2Derivative claims arising in the course of other proceedingsE+W

19.9D.  If a derivative claim (except such a claim in pursuance of an order under section [F3996] of the Companies Act 2006) arises in the course of other proceedings—

(a)in the case of a derivative claim under Chapter 1 of Part 11 of that Act, rule 19.9A or 19.9B applies, as the case requires; and

(b)in any other case, rule 19.9C applies.]]