Part V. TRANSPORTATION OF MAIL

• CHAPTER 50 [§ 5001 - § 5007] - GENERAL
• CHAPTER 52 [§ 5201 - § 5215] - REPEALED]
• CHAPTER 54 [§ 5401 - § 5403] - TRANSPORTATION OF MAIL BY AIR
• CHAPTER 56 [§ 5601 - § 5605] - TRANSPORTATION OF MAIL BY VESSEL