C-61.1, r. 18 - Regulation respecting wildlife habitats
13. No person may, in a caribou calving area north of the 52nd parallel, carry on any of the activities mentioned in section 12, except in compliance with the following requirements:
(1) the activity may be carried on only during the period from 1 August to 15 May; and
(2) trenches and other excavations shall be filled and the organic matter shall be spread over them when the activity is completed.