Canadian Aviation Regulations

704.107 (1) An air operator shall designate for each flight a pilot-in-command and, where the crew includes two pilots, a pilot-in-command and a second-in-command.

(2) An air operator shall record on the operational flight plan the name of the pilot-in-command and, if applicable, the second-in-command who were designated under subsection (1) and shall retain the plan for at least 180 days after the day on which the flight is completed.