Yes. It is under the Regional Development Incentives Act. The section entitled “Designation of regions” reads as follows:
3.(1) Subject to subsection (2), the Governor in Council, after consultation with the government of any province or provinces, may for the purposes of this act, by order designate as a designated region, for the period set out in the order, any region comprising the whole of that province or these provinces, or any portion thereof not less than 12,500 square kilometres in size, that is determined to require special measures to facilitate economic expansion and social adjustment.