3060. Immovable hypothecs securing the price of emphyteusis, a rent constituted for the price of an immovable, a life annuity or a usufruct for life, immovable hypothecs given in favour of the Office du crédit agricole du Québec or the Société d’habitation du Québec, and immovable hypothecs in favour of a person holding a power of attorney from the creditors to secure payment of bonds or other evidences of indebtedness may not be cancelled by the registrar as of right.