A Province may, under exceptional circumstances, exclude a procurement of an entity covered by this Annex from the application of this Annex for economic development purposes provided that all such exclusions are reported, prior to the commencement of any procedure leading to the award of a contract, to the other Provinces with an explanation of the reasons justifying the decision. A Province invoking this provision will seek to minimize the discriminatory effects of the exclusion on the suppliers of the other Provinces.