Canada Labour Standards Regulations

18 For the purposes of section 197 and paragraph 198(a) of the Act, where the hours of work of an employee whose wages are calculated on a daily or hourly basis differ from day to day, or where the employee’s wages are calculated on a basis other than time, the regular rate of wages for a holiday shall be

• (a) the average of his daily earnings exclusive of overtime for the 20 days he has worked immediately preceding the holiday; or

• (b) an amount calculated by a method agreed upon under or pursuant to a collective agreement that is binding on the employer and the employee.