Sch 17 para 4
(1) Proceedings on a claim may not be brought after the end of the period of 6 months starting with the date when the conduct complained of occurred. (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (2A) If, in relation to proceedings or prospective proceedings on a claim under paragraph 3 or 3A, the dispute is referred for resolution in pursuance of arrangements under paragraph 6C ... before the end of the period of 6 months mentioned in sub-paragraph (1), that period is extended by 3 months. (3) The Tribunal may consider a claim which is out of time. (4) Sub-paragraph (3) does not apply if the Tribunal has previously decided under that sub-paragraph not to consider a claim. (5) For the purposes of sub-paragraph (1)— (a) if the contravention is attributable to a term in a contract, the conduct is to be treated as extending throughout the duration of the contract; (b) conduct extending over a period is to be treated as occurring at the end of the period; (c) failure to do something is to be treated as occurring when the person in question decided on it. (6) In the absence of evidence to the contrary, a person (P) is to be taken to decide on failure to do something— (a) when P acts inconsistently with doing it, or (b) if P does not act inconsistently, on the expiry of the period in which P might reasonably have been expected to do it.