PART LI-CUSTOMS DISTRICTS, PORTS, AND SUBPORTS. 458. Customs districts and ports of entry 459. Power to designate ports and sub and delivery. 458. Customs districts and ports of entry and delivery. ports. No customs officers are stationed at places marked thus (*), and consular invoices and transportation entries should not be forwarded to such places. *North Yarmouth. * Brunswick. * Freeport. |