(1) In this section 'agreement' means an agreement by way of settlement of the matter under appeal.
(2) Where, before a hearing is held, the parties come to an agreement with each other, whether in writing or otherwise, an appeal shall be treated as having been withdrawn.
(3) An agreement that is not in writing shall be deemed not to be an agreement for the purpose of subsections (2) and (4), unless -
(a) the fact that an agreement was come to, and the terms agreed on, are confirmed by notice in writing given by either of the parties to the other party, and
(b) a period of 21 days after the date of the giving of the notice referred to in paragraph (a) has elapsed without the party to whom it was given (the 'other party') giving notice in writing to the party by whom the notice so referred to was given that the other party wishes to repudiate or withdraw from the agreement.
(4) Where the parties come to an agreement with each other, the Revenue Commissioners shall -
(a) give effect to t
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