s 123 Time limits
(1) Subject to section 140B proceedings on a complaint within section 120 may not be brought after the end of— (a) the period of 3 months starting with the date of the act to which the complaint relates, or (b) such other period as the employment tribunal thinks just and equitable. (2) Proceedings may not be brought in reliance on section 121(1) after the end of— (a) the period of 6 months starting with the date of the act to which the proceedings relate, or (b) such other period as the employment tribunal thinks just and equitable. (3) For the purposes of this section— (a) conduct extending over a period is to be treated as done at the end of the period; (b) failure to do something is to be treated as occurring when the person in question decided on it. (4) 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 does an act inconsistent with doing it, or (b) if P does no inconsistent act, on the expiry of the period in which P might reasonably have been expected to do it.