A legal person authorized by the “Régie du bâtiment du Québec (RBQ)” (Québec Building Board) to administer a guarantee plan. It guarantees the execution of the legal and contractual obligations of a contractor resulting from a contract signed with a beneficiary. It is governed by the “Regulation respecting the guaranty plan for new residential building”. Since January 1st, 2015, only one non-profit agency (“OSBL”) acts as the administrator of the Guarantee plan. It is the “Garantie de construction résidentielle (GCR)” (Residential Building Guarantee).