13(1)Any dispute as to whether an offer under sub-paragraph (1) of paragraph 11 above complies with sub-paragraph (2) of that paragraph shall be referred to and be determined by an [employment tribunal].S
(2)An [employment tribunal] shall not consider a complaint referred to it under sub-paragraph (1) above unless the complaint is presented to the tribunal before the end of the period of 3 months beginning with the date of the offer of employment or within such further period as the tribunal considers reasonable in a case where it is satisfied that it was not reasonably practicable for the complaint to be presented before the end of the period of 3 months.
(3)Subject to sub-paragraph (4) below there shall be no appeal from the decision of an [employment tribunal] under this paragraph.
(4)An appeal to the Employment Appeal Tribunal may be made only on a question of law arising from the decision of, or in proceedings before, an [employment tribunal] under this paragraph.