(1) An offer to settle must state whether or not it covers the whole or part of the claim.
(2) If it does not state that it covers part of the claim, it is to be taken to cover the whole claim.
(3) If the offer covers only part or parts of the claim it must —
(a) identify the part or parts of the claim in respect of which it is made; and
(b) if more than one, state what is offered in respect of each part covered by the offer.