4. The director of immovable management of the Direction générale des services à la gestion is authorized to sign, up to the amounts specified, where applicable,1° proposals concerning immovable property made by the Société québécoise des infrastructures where their annual impact on the rent is less than $75,000;
2° proposals for layout work made by the Société québécoise des infrastructures up to $400,000;
3° occupancy agreements to be entered into with the Société québécoise des infrastructures and their riders; and
4° contracts for the administration of immovables up to $25,000.