Rule 19.4 Procedure for adding and substituting partiesF1

The court’s permission is required to remove, add or substitute a party, unless the claim form has not been served.

An application for permission under paragraph (1)—

An application for an order under rule 19.2(4) F3...—

Nobody may be added or substituted as a claimant unless—

If an order is made adding or substituting a person as a claimant prior to the filing of their consent—

shall not take effect until the signed, written consent of the new claimant is filed.

The Commissioners for HM Revenue and Customs may, where a dispute between other parties may have tax consequences, be added as party to proceedings if they consent in writing.

An order for the removal, addition or substitution of a party must be served on—

When the court makes an order for the removal, addition or substitution of a party, it may give consequential directions.

A new defendant does not become a party to the proceedings until the amended claim form has been served on them.

A party applying to add a new party by amendment F7shall be responsible for the costs of and arising from the amendment F8unless the court decides otherwise.

The court may remove, add or substitute parties in existing proceedings on its own initiative.