NCC.OP.140 Passenger briefing
The pilot-in-command shall ensure that:
(a) prior to take-off passengers have been made familiar with the location and use of the following:
(1) seat belts;
(2) emergency exits; and
(3) passenger emergency briefing cards; and if applicable:
(4) life-jackets;
(5) oxygen dispensing equipment;
(6) life-rafts; and
(7) other emergency equipment provided for individual passenger use;
and
(b) in an emergency during flight, passengers are instructed in such emergency action as may be appropriate to the circumstances.