C-11, r. 9 - Regulation respecting the language of commerce and business
25.4. Despite subparagraph 2 of the first paragraph of section 25.3, legibility of a sign or poster in French must be evaluated,
(1) in the case of a sign or poster outside an immovable situated on a street bordered by a sidewalk, from the sidewalk along the façade on which the trade mark sign or poster appears;
(2) in the case of a sign or poster outside premises situated in an immovable or a larger property complex such as a mall, from the centre of the corridor or space facing the premises;
(3) in the case of a trade mark sign or poster visible from a highway, from the highway.