Home › CFR › Title 16 › Part 25516 CFR Part 255 — Guides Concerning Use of Endorsements and Testimonials in Advertising§ 255.0— Purpose and definitions.§ 255.1— General considerations.§ 255.2— Consumer endorsements.§ 255.3— Expert endorsements.§ 255.4— Endorsements by organizations.§ 255.5— Disclosure of material connections.§ 255.6— Endorsements directed to children.