21.1 Representative claimants and defendants - general
21.2 Appointment of representative claimant or defendant - procedure
21.3 Consequence of order appointing representative party
21.5 Compromise in proceedings to which rule 21.4 applies
21.6 Representation of beneficiaries by trustees
21.7 Proceedings against the estate of a dead party
21.8 Power of court to give directions to enable proceedings to be carried on after a party's death
21.9 Power of court to strike out action after death of claimant or defendant