An employee has the right not to be subjected to any detriment by any act, or any deliberate failure to act, by his employer, done on the ground that—
It is immaterial for the purposes of subsection (1)(a) or (b)—
but, for those provisions to apply, the claim to the right and (if applicable) the claim that it has been infringed must be made in good faith.
Subsections (1) and (2) apply to a person who is not an employee within the meaning of this Act but who is an employee within the meaning of section 25 of the Tax Credits Act 2002, with references to his employer in those subsections (and sections 48(2) and (4) and 49(1)) being construed in accordance with that section.
Subsections (1) and (2) do not apply to an employee if the detriment in question amounts to dismissal (within the meaning of Part 10).