6. Duration of the guarantee: Where the applicant submits in support of his application a guarantee policy issued by an insurer duly authorized to carry on operations in Québec, in accordance with the Act respecting insurance (chapter A-32), it is incumbent upon the said applicant to take the required measures in order that such guarantee policy remain in force or be renewed for the entire duration of the operation of the pit which is the subject of his application.
R.R.Q., 1981, c. Q-2, r. 2, s. 6.