"an industrial tribunal shall not consider a complaint under this section unless it is presented to the tribunal before the end of the period of three months beginning with the effective date of termination 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 three months."
"References in any provision of this Act to a period of continuous employment are, except where provision is expressly made to the contrary, to a period computed in accordance with the provisions of this section and Schedule 13 . . ."
"If in any week the employee is, for the whole or part of the week - (a) . . . (b) absent from work on account of a temporary cessation or work"
"that week shall, notwithstanding that it does not fall under paragraph 3, 4 or 5, count as a period of employment."
"Any week in which the employee is employed for sixteen hours or more shall count in computing a period of employment."
"an employee shall be treated as dismissed by his employer, if, but only if, (a) . . . (b) where under that contract [of employment] he is employed for a fixed term, that term expires without being renewed under the same contract, or (c) the employee terminates that contract, with or without notice, in circumstances such that he is entitled to terminate it without notice by reason of the employer's conduct."