4.  Rule 22.1(1) of the Civil Procedure Rules 1998 is further amended to read—

“(1) The following documents must be verified by a statement of truth—

(a) a statement of case;

(b) a response complying with an order under rule 18.1 to provide further information;

(c) a witness statement;

(d) an acknowledgement of service in a claim begun by way of the Part 8 procedure; and

(e) a certificate stating the reasons for bringing a possession claim or a landlord and tenant claim in the High Court in accordance with rules 55.3(2) and 56.2(2).”.