(1) Where the plaintiff in a personal injuries action -

(a) serves on the defendant any pleading containing assertions or allegations, or

(b) provides further information to the defendant,

the plaintiff (or in the case of a personal injuries action brought on behalf of an infant or person of unsound mind by a next friend or a committee of the infant or person, the next friend or committee) shall swear an affidavit verifying those assertions or allegations, or that further information.

(2) Where the defendant or a third party in a personal injuries action serves on another party to the action any pleading containing assertions or allegations, the defendant or third party, as the case may be, shall swear an affidavit verifying those assertions or allegations.