BC Averaging Agreements

An employer and an employee can agree to average scheduled work hours over a period of 1, 2, 3 or 4 weeks. Averaging agreements must be in writing and, have a start date and an end date. Overtime is payable:

After eight hours in a day if extra hours have been added to an employee’s schedule, or
If the employee works more than an average of 40 hours in a week over the averaging period (e.g. 80 hours over two weeks, 120 hours over three weeks.)

See: Averaging Agreements

Reprinted from http://www.labour.gov.bc.ca/esb/esaguide/#2