Dealers that promote and sell compatible products must not use the VELUX trademark, e.g. “VELUX roof windows”, “VELUX windows” or “VELUX blinds” in page titles, headlines/headings, meta descriptions, and in ALT tags in images, if the purpose is to link to pages that promote and sell competitor products.
Also, dealers must not use the VELUX trademark for link building into pages that sell or promote competitor products.