Domestic Military and Domestic Addresses
Shipments between the 50 US and between any Army/Air Post Office (APO), Fleet Post Office (FPO), and Diplomatic Post Office (DPO) address are treated as domestic, but require Customs Forms to be submitted.
Domestic US Territory, Possession, or Freely Associated States
Shipments between the 50 US states and US territories, possessions or Freely Associated States are treated as domestic but may require Customs Forms to be submitted.
Customs Forms Information
| Name | Customs Forms Required |
| America Samoa | ✓ |
| Commonwealth of Northern Marian Islands | ✓ |
| Guam | ✓ |
| Federated States of Micronesia | ✓ |
| Palau | ✓ |
| Puerto Rico | |
| Republic of the Marshall Islands | ✓ |
| US Virgin Islands |