(1) A principal must not discriminate against a contract worker—
(a) in the terms on which the principal allows the contract worker to work; or
(b) by not allowing the contract worker to work or continue to work; or
(c) by denying or limiting access by the contract worker to any benefit connected with the work; or
(d) by subjecting the contract worker to any other detriment.
(2) Subsection (1) does not apply to anything done or omitted to be done by a principal in relation to a contract worker that would not contravene this Act if done or omitted to be done by the employer of that contract worker.