CFR›Title 21›Chapter I›Part 809›Subpart B ContainsSections 809.10–809.11CorpusDaily eCFRDisplayed edition2026-05-18Last updated2026-05-18 Subpart B—Labeling Sections 809.10 § 809.10 Labeling for in vitro diagnostic products. 809.11 § 809.11 Exceptions or alternatives to labeling requirements for in vitro diagnostic products for human use held by the Strategic National Stockpile. Previous A Subpart A—General Provisions Next C Subpart C—Requirements for Manufacturers and Producers