- Rule 17. Plaintiff and Defendant; Capacity; Public Officers
- Rule 18. Joinder of Claims
- Rule 19. Required Joinder of Parties
- Rule 20. Permissive Joinder of Parties
- Rule 21. Misjoinder and Nonjoinder of Parties
- Rule 22. Interpleader
- Rule 23. Class Actions
- Rule 23.1. Derivative Actions
- Rule 23.2. Actions Relating to Unincorporated Associations
- Rule 24. Intervention
- Rule 25. Substitution of Parties