An employer may deduct from the wages of the employee—
(a) the actual or estimated cost of any material, tools and implements supplied by the employer to the employee to be owned by the employee and employed by him or her in his or her occupation; or
(b) any money advanced by way of loan by the employer to the employee, save that, the total amount which may be deducted from the wages of an employee in any pay period under the provisions of this section shall not exceed 1/3 of the wages of the employee in that pay period.