Nine Things You Can’t Do in Advertising if You Want to Stay on Right Side of the Law. This article appeared in Advertising Age, by Irina Slutsky. When advertisers have a problem with a competitor’s claims, they don’t have to go to court. They can turn to the National Advertising Division of the Council of Better Business Bureaus, a self-regulating body established in 1971 to deal with false or misleading advertising claims. The NAD can also file a challenge against an advertiser on its own. Click here to read the entire article.