CFR›Title 45›Subtitle B›Chapter VI›45 CFR Part 675 Citation45 CFR Part 675ContainsSections § 675.1–§ 675.4CorpusDaily eCFRDisplayed edition2026-08-06Last updated2026-08-06 PART 675—MEDICAL CLEARANCE PROCESS FOR DEPLOYMENT TO ANTARCTICA Sections § 675.1 § 675.1 Purpose and authority. § 675.2 § 675.2 Medical examinations. § 675.3 § 675.3 Medical clearance criteria. § 675.4 § 675.4 Waiver process. Authority42 U.S.C. 1870.Source62 FR 31522, June 10, 1997, unless otherwise noted.