Reporting Absence Staff who cannot report to work because of sickness or other reasons are expected to telephone within fifteen (15) minutes of their normal starting time, to advise their supervisor of the expected time of their return to work. Staff members who commence work at 16:00 hours or later will make every effort to inform their supervisor(s) of their pending absences as early in the day as possible, and no later than 12:00 hours for the 16:00 hour or 18:00 hour shifts, or 15:00 hours for the midnight shift. However, employees failing to provide notice as stipulated in this Article through circumstances beyond their control shall not be deemed to have violated any of the terms of this Agreement. Staff should inform their supervisor of the reason for their absence. In the event of illness, exact medical reasons need not be given.