In proceedings for recovery of an amount payable to an employee in relation to the performance of work:
(a) anything given or provided by the employer contrary to paragraph 323(1)(b) and subsection 323(3) is taken never to have been given or provided to the employee; and
(b) any amount that the employee has been required to spend or pay contrary to subsection 325(1), or in accordance with a term to which subsection 326(3) applies, is taken to be a deduction, from an amount payable to the employee, made by the employer otherwise than in accordance with section 324.