(1) If, after an inquiry into a relevant dispute commences:
(a) Australia Post offers the complainant:
(i) a rate reduction in respect of the supply of a bulk interconnection service that is the subject of the relevant dispute; or
(ii) a variation of the period for which a rate reduction in respect of the supply of the service applies or would apply; or
(iii) any other variation in the terms and conditions on which a rate reduction in respect of the supply of the service is or would be provided; and
(b) the complainant accepts the offer;
the complainant must give written notice of acceptance of the offer to the ACCC.
(2) A reference in subsection (1) to an offer by Australia Post is taken to include a reference to a determination of standard terms and conditions of a bulk interconnection service.