For the purposes of this Act an employee who is dismissed shall be taken to be dismissed by reason of redundancy if the dismissal is wholly or mainly attributable to—
have ceased or diminished or are expected to cease or diminish.
For the purposes of subsection (1) the business of the employer together with the business or businesses of his associated employers shall be treated as one (unless either of the conditions specified in paragraphs (a) and (b) of that subsection would be satisfied without so treating them).
For the purposes of subsection (1) the activities carried on by a local authority with respect to the schools maintained by it, and the activities carried on by the governing bodies of those schools, shall be treated as one business (unless either of the conditions specified in paragraphs (a) and (b) of that subsection would be satisfied without so treating them).
Where—
he shall be taken for the purposes of this Act to be dismissed by reason of redundancy if the circumstances in which his contract is not renewed, and he is not re-engaged, are wholly or mainly attributable to either of the facts stated in paragraphs (a) and (b) of subsection (1).
In its application to a case within subsection (4), paragraph (a)(i) of subsection (1) has effect as if the reference in that subsection to the employer included a reference to any person to whom, in consequence of the act or event, power to dispose of the business has passed.
In subsection (1) "cease" and "diminish" mean cease and diminish either permanently or temporarily and for whatever reason.
In subsection (3) " local authority " has the meaning given by section 579(1) of the Education Act 1996.