6. Assistant deputy ministers, directors general, the secretary general and director general of the Direction générale des services à la gestion, directors, regional directors and assistant directors are authorized to sign(1) contracts for the acquisition or leasing of immovable property;
(2) contracts for the purchase or leasing of movable property;
(3) services contracts;
(4) construction contracts;
(5) concession or authorization contracts;
(6) contracts relating to a servitude;
(7) research contracts;
(8) documents relating to grants, except for the document awarding the grant; and
(9) the certificates that the Minister may issue in accordance with the Taxation Act (chapter I-3).