Shipping to Puerto Rico: the two flows

The short answer

Mainland to Puerto Rico: no CBP entry. The goods never leave the US customs territory, so there is no importation for CBP to take an entry on. What there may be is Electronic Export Information in AES, and what there almost always is, is the island's use tax when the goods land.

Foreign to Puerto Rico: an ordinary US importation. Puerto Rico is a US port of entry, everything that would apply in Miami or Newark applies here, and the island tax comes after that, not instead of it.

The rest of this page is the why, with the citations, so you can check it instead of taking our word.

Why the mainland leg takes no CBP entry

HTSUS General Note 2 puts it plainly: "The term 'customs territory of the United States', as used in the tariff schedule, includes only the States, the District of Columbia and Puerto Rico." 19 CFR 101.1 defines the term the same way.

The consequence follows from that. 19 CFR 141.4(a) requires entry only for "merchandise imported into the United States". A movement from a state to Puerto Rico is not an importation into the customs territory, because the goods never left it. No single CBP sentence says this in those words. It is the conclusion the three citations force together.

CBP applies exactly that reasoning itself. From its September 2024 resource document on used self-propelled vehicles: "Pursuant to CBP Ruling HQ H318727 dated July 21, 2021, it has been determined that the shipment of used self-propelled vehicles from the continental United States to Puerto Rico does not constitute an 'export' as defined in 19 CFR 192.2. Puerto Rico is an unincorporated territory of the United States, and 19 CFR 101 defines the 'Customs territory of the United States' as 'includes only the states, District of Columbia, and Puerto Rico'."

Puerto Rico is not the Virgin Islands

19 CFR 7.2 is titled "Insular possessions of the United States other than Puerto Rico", and it says those possessions "are outside the customs territory of the United States". Its principal examples are the US Virgin Islands, Guam, American Samoa, Wake, Midway and Johnston Atoll. Puerto Rico is excluded from that category by the section's own title.

The practical difference: a shipment from Florida to San Juan needs no entry, and the same shipment to St. Thomas leaves the customs territory. People conflate the two islands constantly, and the confusion gets paid for on the dock.

What you do file: the EEI in AES

15 CFR 30.2(a)(1)(ii) requires EEI between nonforeign areas, listing "(A) To Puerto Rico from the United States. (B) To the United States from Puerto Rico. (C) To the U.S. Virgin Islands from the United States or Puerto Rico." So the movement is not an importation, and it is still a reportable movement.

Here is the error that is repeated nearly everywhere. The famous $2,500 is not a per-shipment threshold. It is an exemption at 15 CFR 30.37(a), and it runs PER SCHEDULE B or HTSUSA classification code, per USPPI, per ultimate consignee, per conveyance. Writing "shipments over $2,500 need EEI" is materially wrong in both directions: it makes people file when they need not and skip filing when they must.

The regulation's own words: "In instances where a shipment contains a mixture of individual Schedule B numbers or HTSUSA commodity classification codes valued at $2,500 or less and individual Schedule B numbers or HTSUSA commodity classification codes valued over $2,500, only those Schedule B numbers or HTSUSA commodity classification codes valued over $2,500 are required to be reported."

The exemption is measured per Schedule B or HTSUSA code, from one USPPI to one ultimate consignee on a single exporting conveyance. Change the consignee or split the conveyance and the arithmetic changes with it.

Used vehicles: EEI regardless of value

15 CFR 30.2(a)(1)(iv) requires EEI regardless of value for licensed goods, ITAR goods, rough diamonds and used self-propelled vehicles. There is no dollar figure to fall under.

CBP confirms it for Puerto Rico specifically, in the same 2024 document: "Although HQ H318727 does exclude the requirements of 19 CFR 192 it does not exclude the requirements of 15 CFR 30. Electronic Export Information (EEI) is still required to be filed in the Export Cargo System (AES) for all used self-propelled vehicles."

Read those two CBP passages together and you have the shape of the whole subject. The car going from Florida to San Juan is not an export under 19 CFR 192.2, and it still carries an EEI. Not an importation is not the same as nothing to file.

Foreign to Puerto Rico: a full import, and then the island

Puerto Rico is a United States port of entry. Cargo arriving from abroad needs everything it would need anywhere else: the entry, classification, valuation, a bond, partner agency review where it applies, and duties where they are owed.

Then the island tax arrives on top. That is a separate government with its own system, SURI, and its own release. Clearing CBP does not free your cargo if Hacienda has not freed it, and that second gate is where mainland brokers most often hand the importer back the file.