Hours of service

GST/HST TELEFILE is available seven days a week (excluding statutory holidays) during the following hours:

• Pacific time zone
  Monday to Saturday: 2:30 a.m. to 11:00 p.m.
  Sunday: 9:00 a.m. to 11:00 p.m.

• Mountain time zone
  Monday to Saturday: 3:30 a.m. to 12:00 a.m.
  Sunday: 10:00 a.m. to 12:00 a.m.

• Central time zone
  Monday to Saturday: 4:30 a.m. to 1:00 a.m.
  Sunday: 11:00 a.m. to 1:00 a.m.

• Eastern time zone
  Monday to Saturday: 5:30 a.m. to 2:00 a.m.
  Sunday: 12:00 p.m. to 2:00 a.m.

• Atlantic time zone
  Monday to Saturday: 6:30 a.m. to 3:00 a.m.
  Sunday: 1:00 p.m. to 3:00 a.m.

• Newfoundland time zone
  Monday to Saturday: 7:00 a.m. to 3:30 a.m.
  Sunday: 1:30 p.m. to 3:30 a.m.

Service is not available 24 hours a day due to daily maintenance activities.