(1) If a single sum of money is paid into court in satisfaction of proceedings arising under a Fatal Accidents Act and that sum is accepted, the court must apportion that sum between the different causes of action when —
(a) giving directions under rule 23.13; or
(b) authorising its payment out of court.
(2) If in proceedings arising under a Fatal Accidents Act a claim is made by more than one person and a single sum of money is paid into or apportioned by the court to the cause of action under the Act and is accepted by such persons, the court must apportion the payment between those persons.