s 57 Trade organisations
(1) A trade organisation (A) must not discriminate against a person (B)— (a) in the arrangements A makes for deciding to whom to offer membership of the organisation; (b) as to the terms on which it is prepared to admit B as a member; (c) by not accepting B's application for membership. (2) A trade organisation (A) must not discriminate against a member (B)— (a) in the way it affords B access, or by not affording B access, to opportunities for receiving a benefit, facility or service; (b) by depriving B of membership; (c) by varying the terms on which B is a member; (d) by subjecting B to any other detriment. (3) A trade organisation must not, in relation to membership of it, harass— (a) a member, or (b) an applicant for membership. (4) A trade organisation (A) must not victimise a person (B)— (a) in the arrangements A makes for deciding to whom to offer membership of the organisation; (b) as to the terms on which it is prepared to admit B as a member; (c) by not accepting B's application for membership. (5) A trade organisation (A) must not victimise a member (B)— (a) in the way it affords B access, or by not affording B access, to opportunities for receiving a benefit, facility or service; (b) by depriving B of membership; (c) by varying the terms on which B is a member; (d) by subjecting B to any other detriment. (6) A duty to make reasonable adjustments applies to a trade organisation. (7) A trade organisation is— (a) an organisation of workers, (b) an organisation of employers, or (c) any other organisation whose members carry on a particular trade or profession for the purposes of which the organisation exists.