As per our collective agreement, relief must work 2 direct support shifts within four (4) pay periods. These pay periods are revolving. The dates provided show you that you need to work 2 shifts between the start and end dates on a continuous basis.
Below is the complete 2020 schedule, with appropriate overlap into 2019 and 2021. You can also download the schedule here.
If you have any questions, please do not hesitate to contact Human Resources or Payroll.