Canada Occupational Health and Safety Regulations

2.23 (1) For HVAC systems installed on or after the day of the coming into force of this section, the employer shall keep a record of the information required by section A-2.3.5.2 of Appendix A of the National Building Code and make the record readily available.

(2) In addition to the record required by subsection (1), the employer shall keep and make readily available a record of the normal hours of occupancy and the types of activities of the occupants of the building.

(3) In the case of HVAC systems to which subsection (1) does not apply, the employer shall keep and make readily available all records required by subsections (1) and (2) that are reasonably practicable to keep.