An offer of compromise (a) is to be in writing; and(b) is to contain the following:(i) the title of the proceeding to which it relates;(ii) the name of the party making the offer;(iii) the name of the party to whom the offer is made;(iv) a statement that it is served in accordance with this Part; and(c) is to include an offer to pay or accept (i) the whole, or a stated proportion, of a party's costs on a specified scale; or(ii) the whole, or a stated proportion, of a party's costs on a scale to be determined by the Court or a judge following acceptance of the offer; or(iii) the whole, or a stated proportion, of a party's costs in a specified sum; or(iv) no costs; and(d) is to specify the cause or causes of action to which the offer relates; and(e) is to state whether or not the offer is made in addition to any payment into Court previously made by the offerer under Part 8 .