5. In rule 31.2, after paragraph (1) there is inserted—
“(1A) Where—
(a)a question of liability is the subject of proceedings before the court; and
(b)the effect of any statutory transfer while the cause is depending before the court is to transfer the liability if proved to a person other than an existing party to the cause,
any party to the proceedings may apply to the court by minute to have the cause transferred in favour of or against, as the case may be, the person to whom the liability has been transferred.”.