26. In the case of an act which contravenes any provision of section 20 or section 22 where the person operating the commercial establishment is not the owner of the immovable in which the establishment is situated, the owner of that immovable, if he ordered, authorized or recommended the act or consented to it, is guilty of an offence and is liable, in the case of an act contravening a provision of section 20, to the fine provided for in section 23, and in the case of an act contravening a provision of section 22, to the fine provided for in section 24.