U.S. Code / Title 49 — Transportation / Subtitle V—Rail Programs / Part A—SafetyTitle 49ChapterChapter 203—Safety AppliancesContents§ 20301. Definition and nonapplication§ 20302. General requirements§ 20303. Moving defective and insecure vehicles needing repairs§ 20304. Assumption of risk by employees§ 20305. Inspection of mail cars§ 20306. Exemption for technological improvements