5.—(1) Any reference in this Part to relevant employment is subject to paragraph (2), a reference to employment—
(a)by a local education authority, as teachers (whether or not at a school or further education institution) or as workers with children or young persons;
(b)by any other body, as teachers at a school or further education institution; or
(c)by the governing body of a school or further education institution as workers with children or young persons.
(2) For the purposes of this Part, employment includes the engagement of a person to provide his services as a teacher otherwise than under a contract of employment and references to employment or relevant employment shall be construed accordingly.