312.112. Full body harness: The use of a full body harness is required when the work is carried out in a tree or from a portable ladder or a basket.
The full body harness shall comply with CSA Standard Z259.10, Full Body Harnesses, ANSI/ASSP Standard Z359.11, Safety Requirements for Full Body Harnesses, or NF EN Standard 361, Personal protective equipment against falls from a height - Full body harnesses.
When work is carried out in a tree, the full body harness is also compliant if it meets NF EN Standard 813, Personal fall protection equipment - Sit harnesses.
821-2023O.C. 821-2023, s. 21.