Sec. 541. Entry of goods falsely classified. 542. Entry of goods by means of false statements. 543. Entry of goods for less than legal duty. 544. Relanding of goods. 545. Smuggling goods into the United States. 546. Smuggling goods into foreign countries. 547. Depositing goods in buildings on boundaries. 548. Removing or repacking goods in warehouses. 549. Removing goods from customs custody; breaking seals. 550. False claim for refund of duties. 551. Concealing or destroying invoices or other papers. 552. Officers aiding importation of obscene or treasonous books and articles. 553. Importation or exportation of stolen motor vehicles, off-highway mobile equipment, vessels, or aircraft.