19For section 32 substitute—
(1)For the purposes of sections 27 to 31A the working hours of an employee shall be taken to be any time when, in accordance with his contract of employment, he is required to be at work.
(2)For the purposes of sections 27 and 28 a trade union shall be taken to be recognised by an employer if it is recognised by him, to any extent, for the purpose of collective bargaining, that is to say, negotiations related to or connected with one or more of the matters specified in section 29(1) of the [1974 c. 52.] Trade Union and Labour Relations Act 1974.”