References in sections 145A to 145E to being or becoming a member of a trade union include references—
to being or becoming a member of a particular branch or section of that union, and
to being or becoming a member of one of a number of particular branches or sections of that union.
References in those sections—
to taking part in the activities of a trade union, and
to services made available by a trade union by virtue of membership of the union,
shall be construed in accordance with subsection (1).
In sections 145A to 145E—
The remedy of a person for infringement of the right conferred on him by section 145A or 145B is by way of a complaint to an employment tribunal in accordance with this Part, and not otherwise.