85. A holder of a management permit who carries out partial cutting shall cut the trees covered by the silvicultural treatment. He may not fell or harvest less than 90% of the basal area of those trees of commercial species nor more than 110% of that basal area.
In addition, the permit holder shall protect the trees of commercial species, referred to in Part B of Schedule 2, having a diameter of 10 to 22 cm, as measured 1.3 m above the highest ground level.