(b) makes a supply by way of lease, licence or similar arrangement of real property for use by the recipient of the supply exclusively as the site for the promotion, at the convention, of property or services supplied by, or a business of, the recipient, or
b) la fourniture, par bail, licence ou accord semblable, d’un immeuble que l’acquéreur utilise exclusivement comme lieu de promotion, lors du congrès, de son entreprise ou des biens et services qu’il fournit;