R-8.02 - Act respecting the Régie du gaz naturel
23. The Régie may revise or revoke any decision it has rendered
(1) where a new fact is discovered which could have justified a different decision had it been known in due time;
(2) where, for reasons deemed sufficient, a party interested in the dispute could not be heard;
(3) where a substantive or procedural defect is likely to invalidate the decision.