CAT.OP.MPA.240 Smoking on board
The commander shall not allow smoking on board:
(a) whenever considered necessary in the interest of safety;
(b) during refuelling and defuelling of the aircraft;
(c) while the aircraft is on the surface unless the operator has determined procedures to mitigate the risks during ground operations;
(d) outside designated smoking areas, in the aisle(s) and lavatory(ies);
(e) in cargo compartments and/or other areas where cargo is carried that is not stored in flame-resistant containers or covered by flame-resistant canvas; and
(f) in those areas of the passenger compartment where oxygen is being supplied.