(1) An employee who is required to work on a Sunday (and the fact of his or her having to work on that day has not otherwise been taken account of in the determination of his or her pay) shall be compensated by his or her employer for being required so to work by the following means, namely -

(a) by the payment to the employee of an allowance of such an amount as is reasonable having regard to all the circumstances, or

(b) by otherwise increasing the employee's rate of pay by such an amount as is reasonable having regard to all the circumstances, or

(c) by granting the employee such paid time off from work as is reasonable having regard to all the circumstances, or

(d) by a combination of two or more of the means referred to in the preceding paragraphs.

(2) Subsection (3) applies to an employee where the value or the minimum value of the compensation to be provided to him or her in respect of his or her being required to work on a Sunday is not specified by a collective agreement.