19.4—(1) This rule applies to a change of parties after the end of a period of limitation under—
(a)the Limitation Act 1980(1);
(b)the Foreign Limitation Periods Act 1984(2);
(c)section 190 of the Merchant Shipping Act 1995(3); or
(d)any other statutory provision.
(2) The court may add or substitute a party only if—
(a)the relevant limitation period(GL) was current when the proceedings were started; and
(b)the addition or substitution is necessary.
(3) The addition or substitution of a party is necessary only if the court is satisfied that—
(a)the new party is to be substituted for a party who was named in the claim form in mistake for the new party;
(b)the claim cannot properly be carried on by or against the original party unless the new party is added or substituted as claimant or defendant; or
(c)the original party has died or had a bankruptcy order made against him and his interest or liability has passed to the new party.
(4) In addition, in a claim for personal injuries the court may add or substitute a party where it directs that—
(a)(i)section 11 (special time limit for claims for personal injuries); or
(ii)section 12 (special time limit for claims under fatal accidents legislation),
of the Limitation Act 1980 shall not apply to the claim by or against the new party; or
(b)the issue of whether those sections apply shall be determined at trial.
(Rule 17.4 deals with other changes after the end of a relevant limitation period(GL))