(1) In this Act, unless the context otherwise requires -

"collective agreement" means an agreement by or on behalf of an employer on the one hand, and by or on behalf of a body or bodies representative of the employees to whom the agreement relates on the other hand;

"conditions of employment" includes conditions in respect of remuneration and matters related thereto (and, in relation to any pension scheme or arrangement, includes conditions for membership of the scheme or arrangement and entitlement to rights thereunder and conditions related to the making of contributions to the scheme or arrangement);

"contract of employment" means - (a) a contract of service or apprenticeship, and (b) any other contract whereby an individual agrees with another person, who is carrying on the business of an employment agency within the meaning of the Employment Agency Act, 1971, and is acting in the course of that business, to do or perform personally any work or service for a third person (whether or not the third person is a party to the contract) whether the contract is express or implied and, if express, whether it is oral or in writing;