312.114. Anchorage of a harness on a tree: When work is carried out in a tree, the anchorage point of the full body harness shall be installed on the axil of a healthy division formed by a main axis, such as the trunk, and a branch. The anchorage point may also be a constriction around a main healthy axis at least 10 cm in diameter.
The anchorage system shall be installed in such a way as to limit pendular movements and be tested mechanically when installed from the ground.
821-2023O.C. 821-2023, s. 21.