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title 49
Transportation
chapter XII
CHAPTER XII—TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY
part 1503
PART 1503—INVESTIGATIVE AND ENFORCEMENT PROCEDURES
subpart D
Subpart D—Non-Civil Penalty Enforcement
Subpart D. Subpart D—Non-Civil Penalty Enforcement
§ 1503.301 - Warning notices and letters of correction.