12.
—(1) This Rule applies in relation to an action or counterclaim for bodily injury arising out of the use of a motor vehicle on a road or any place to which the public has a right of access in which the claim for damages includes a sum for hospital expenses.
(2) Where the party against whom the claim is made, or an approved insurer within the meaning of section 4 of the Motor Vehicles (Third-Party Risks and Compensation) Act (Chapter 189), pays the amount for which that party or insurer, as the case may be, is or may be liable under that Act in respect of the treatment afforded by a hospital to the person in respect of whom the claim is made, the party against whom the claim is made must, within 7 days after payment is made, give notice of the payment to all the other parties to the action.