The US advertising industry's self-regulatory body, part of BBB National Programs, which adjudicates challenges to advertising claims, usually brought by competitors. NAD decisions are voluntary but nearly always followed, since the alternative is referral to the FTC.
Related terms
Cite this entry:
Agency Echelon. "NAD." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/nad/