Level 0. Administrative Provisions

• PART 1 [§ 231 - § 240] - definitions
• PART 2 [§ 241 - § 294] - report, entry, and unlading of vessels and vehicles
• PART 3 [§ 331 - § 420] - ascertainment, collection, and recovery of duties
• PART 4 [§ 451 - § 475] - transportation in bond and warehousing of merchandise
• PART 5 [§ 481 - § 542] - enforcement provisions
• PART 6 [§ 571 - § 580] - general provisions