No person shall withdraw support from the roof or sides of any place in a mine otherwise than by a method or device by which he does so from a position of safety.

Where it is part of the system of work at a place in a mine to withdraw from the waste or from under the roof adjoining the waste support provided in compliance with a requirement to provide it imposed by or by virtue of section 49 or 50, no person shall, at that place, otherwise than in accordance with a system specified in rules to be made by the manager of the mine, withdraw as aforesaid support so provided.