21. Return of the guarantee: The guarantee shall be returned to the operator after the final termination of the operation, unless it has been used by the Minister as prescribed in sections 19 and 20.
R.R.Q., 1981, c. Q-2, r. 14, s. 21; S.Q., 1988, c. 49, s. 54; O.C. 492-2000, s. 5.