CFR›Title 43›Subtitle A›Part 2›Subpart M ContainsSections 2.300–2.303CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart M—Social Security Number Fraud Prevention Act Requirements Sections 2.300 § 2.300 What is the purpose of this subpart? 2.301 § 2.301 What does this subpart cover? 2.302 § 2.302 What terms are used in this subpart? 2.303 § 2.303 What are DOI's requirements for protecting SSNs in document sent by mail? Source87 FR 42099, July 14, 2022, unless otherwise noted. Previous K Subpart K—Privacy Act