CFR›Title 15›Subtitle B›Chapter II›Part 280›Subpart B ContainsSections 280.101–280.103CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart B—Petitions, Affirmations, and Laboratory Accreditation Sections 280.101 § 280.101 Petitions for approval of documents. 280.102 § 280.102 Affirmations. 280.103 § 280.103 Laboratory accreditation. Source65 FR 39801, June 28, 2000, unless otherwise noted. Previous A Subpart A—General Next C Subpart C—Enforcement