Canadian Aviation Regulations

705.46 No person shall operate an aeroplane in night VFR flight unless

• (a) the flight is conducted within 25 nautical miles of the departure aerodrome; or

• (b) in the case of an IFR flight, the pilot-in-command establishes visual contact with the intended aerodrome of landing and receives an authorization from the appropriate air traffic control unit or flight service station to conduct a visual approach.