3.1. For the purposes of section 3, “agricultural occupancy” means the occupancy or use, or the intended occupancy or use, of a building or of part of a building for an agricultural activity within the meaning of the Act respecting the preservation of agricultural land and agricultural activities (chapter P-41.1);
“building area” means the largest horizontal surface of the building above average ground level, measured between the outside of exterior walls or between the outside of exterior walls and the centre line of firewalls;
“dwelling unit” means a building or part of a building that provides sleeping accommodation for persons but is not used for the housing or detention of persons who require medical care or for the involuntary detention of persons;
“industrial occupancy” means the occupancy or use of a building or of part of a building for assembling, fabricating, manufacturing, processing, repairing or storing products, goods or materials.