County Court Rules (Northern Ireland) 1981

Application

4.  The foregoing Rules shall apply mutatis mutandis where—

(a) a defendant claims to be entitled to any contribution, indemnity or other relief over against any other defendant; but a third party notice served on a defendant need not be accompanied by a copy of the civil bill;

(b) a third party claims to be entitled to any contribution, indemnity or other relief over against another person not a party to the action (who may be known as a “fourth party”); and

(c) a fourth party or any subsequent party in like case makes a like claim against a person not a party to the action.