(1) Nothing in this Part or Part II shall make it unlawful for an employer to provide, for an employee with a disability, a particular rate of remuneration for work of a particular description if, by reason of the disability, the amount of that work done by the employee during a particular period is less than the amount of similar work done, or which could reasonably be expected to be done, during that period by an employee without the disability.

(2) Nothing in this Part or Part II shall make it unlawful for an employer or any other person to provide, for a person with a disability, special treatment or facilities where the provision of that treatment or those facilities -

(a) enables or assists that person to undertake vocational training, to take part in a selection process or to work, or

(b) provides that person with a training or working environment suited to the disability, or

(c) otherwise assists that person in relation to vocational training or work.