A worker 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 the worker has made a protected disclosure.
A worker ("W") has the right not to be subjected to any detriment by any act, or any deliberate failure to act, done—
on the ground that W has made a protected disclosure.
Where a worker is subjected to detriment by anything done as mentioned in subsection (1A), that thing is treated as also done by the worker's employer.
For the purposes of subsection (1B), it is immaterial whether the thing is done with the knowledge or approval of the worker's employer.
In proceedings against W's employer in respect of anything alleged to have been done as mentioned in subsection (1A)(a), it is a defence for the employer to show that the employer took all reasonable steps to prevent the other worker—
. . . This section does not apply where—
For the purposes of this section, and of sections 48 and 49 so far as relating to this section, " worker ", " worker's contract ", " employment " and " employer " have the extended meaning given by section 43K.