Ships, ports, and the law of American shipping.
Saturday, October 10, 2026 · UTC
The Jones Act

ICE targets foreign truck drivers in cabotage enforcement after international cargo deliveries

US Immigration and Customs Enforcement agents are conducting inspections and questioning drivers suspected of engaging in domestic cabotage after delivering international cargo, according to a Sept. 4 report from La Jornada.

Maritime Policy Correspondent
Share on X
Stands on 7 placed sources from 5 publishers.
Customs targets foreign truckers in US cargo crackdown
Customs targets foreign truckers in US cargo crackdown AI illustrationhow this picture was made
US Immigration and Customs Enforcement agents are conducting inspections and questioning drivers they believe are engaging in domestic cabotage after delivering international cargo, La Jornada reported Sept. 4.[1] The Jones Act, reinstated after World War I, expanded cabotage restrictions and requires vessels to be U.S.-built, U.S.-flag, U.S.-owned, and U.S.-crewed for domestic cargo transport.[2][6] Proposals have been made to grant an exemption for foreign-built vessels registered in the U.S., flying the U.S. flag, with U.S. owners and crew to carry cargo between the contiguous and noncontiguous jurisdictions.[3] U.S. flag ships are more expensive to operate than international competitors because they require full U.S. crews and citizenship rules.[4] A study estimating a $537.2 million cost of the Jones Act to Puerto Rico has serious methodological limitations because it bases conclusions on merchandise value, not cargo volume and total freight costs.[5] Puerto Rico imports LNG from Trinidad and Tobago instead of using domestic suppliers because of the Jones Act.[7]
Proof7 sources · 7 publishers · signed
What this stands on
  1. US Immigration and Customs Enforcement (ICE) agents conduct inspections and ask questions because they believe the drivers are engaging in domestic cabotage after delivering international cargo. · La JornadaMexico
  2. The Jones Act was reinstated after World War I and expanded cabotage restrictions. · en.wikipedia.org
  3. They propose granting an exemption for foreign-built vessels registered in the U.S., flying the U.S. flag, with U.S. owners and crew to carry cargo between the contiguous and noncontiguous jurisdictions. · hawaiifreepress.com
  4. U.S. flag ships are more expensive to operate than international competitors because they require full U.S. crews and citizenship rules. · hawaiifreepress.com
  5. A study estimating a $537.2 million cost of the Jones Act to Puerto Rico has serious methodological limitations because it bases conclusions on merchandise value, not cargo volume and total freight costs. · hawaiifreepress.com
  6. The Jones Act requires vessels to be U.S.-built, U.S.-flag, U.S.-owned, and U.S.-crewed for domestic cargo transport. · hawaiireporter.com
  7. Puerto Rico imports LNG from Trinidad and Tobago instead of using domestic suppliers because of the Jones Act. · aier.org
The one we could place publishes from Mexico. 4 could not be placed by their address. None is an official body: that part stands on reporting, not on the underlying document or transcript.
Article provenance · signed receipt ✓ · 7 sources · v 001The worldThe recordThe writingThe pictureThe filing

How this piece was made: written by Dana Whitfield, a declared AI persona, produced by the automated newsroom line on Tuesday, September 8, 2026. Its sources were placed by the desk, never implied. Open each step to go deeper; every hash says what it covers.

1 · The world7 publishers reported the events across 7 source articles
What they stated is the numbered source list above.
Why these sources, and not others
How the desk chose them
We do not pick publishers. The desk reads the fact record for the event, groups the reports that carry the same claim, and writes from that group. Within it, what rises is an interest score: how much attention a claim is drawing across the record, and how recent it is. That measures INTEREST, not truth and not authority, and a widely carried claim is not a truer one. A piece is held unless at least 2 INDEPENDENT origins carry it, where outlets running the same wire copy count as one origin, not many. We do not currently ingest transcripts, filings or press releases directly, so unless an official body appears in the list above, this piece stands on reporting about the document rather than on the document itself.
Where they publish from
The one we could place publishes from Mexico. 4 could not be placed by their address. None is an official body: that part stands on reporting, not on the underlying document or transcript.
The source articles and their ingest receipts
Every article was fetched, extracted and analyzed upstream, and each of those legs was signed with its own key. This opens the record's own receipts for them.
2 · The recordextracted those reports into signed fact rows
AI · semantic search
The facts this piece stands on were selected by semantic search over the record: AI embeddings match each section's query to fact rows by meaning, not keywords.
This newsroom read the facts through the record's public door, and the door signed the read.
The read receipt (Ed25519, signed by the record when this desk pulled its facts)
T5VknK99gRGOEnntbHK8O0otN3HttrThgXq9hn4LABVEUck2Xgan1j49veOQcEJ472s1X1MX6V45squMV1vQDw
3 · The writingwritten as Dana Whitfield by a large language model
AI · news generation
The automated line wrote this as Dana Whitfield using a large language model at 2026-09-08T01:44Z.
The prompts, verbatim
System instruction (the grounding rules)
You are a staff writer on a fact-based newsroom desk. You write ONE news story strictly and only from the numbered facts provided. You never invent facts, quotes, sources, numbers, or dates; if the facts do not support a sentence, you do not write it. THERE IS NO LENGTH TARGET, and there is no length CEILING either. Length follows the record: three thin facts is three short paragraphs and a complete story; eight facts with dates and corroboration counts deserve to be developed properly. NEVER pad, and never stretch. ANALYSIS IS WELCOME, AND IT MUST BE MARKED. This is the difference between a news story and a list of statements. You may weigh what the facts mean, note what is missing, and say what to watch - but never in the voice of fact. MARK IT one of three ways and no other: hedge it ('appears to', 'suggests', 'on the available record'), own it in your own voice ('the read here is', 'what stands out is'), or attribute it to a named party inside a numbered fact. An unmarked interpretation is an invented fact, and that is the one unforgivable error. Absence is only worth reporting when the record creates an expectation: say a company has not commented ONLY if a fact shows it was asked. These moves are BANNED because each one invents: (a) attributing anything to unnamed people - no 'analysts note', 'experts say', 'officials said', 'critics argue', 'observers', 'sources suggest' - unless that exact attribution is inside a numbered fact; (b) explaining what something 'often', 'typically' or 'historically' does; (c) asserting how one fact affects another (markets, supply chains, exchange rates, stability) when no fact says so; (d) supplying local detail - currencies, institutions, geography, populations - that no fact gives you. If two facts are unrelated, say so plainly or leave one out; do not build a bridge between them out of your own knowledge. Cite with footnote markers in the exact form [^N], where N is the fact's number - and cite each fact ONCE, at the single claim that leans on it hardest. Never repeat the same marker on later sentences or paragraphs; a piece that stamps [^1] after every paragraph reads like a tic, not a citation. Most sentences carry no marker at all. SOME FACTS ARE DIRECT MEASUREMENTS BY AN INSTRUMENT, marked MEASURED BY THE <NAME> INSTRUMENT. Those are not somebody's reporting: the instrument observed them directly, and THIS NEWSROOM IS A THIRD PARTY reporting what it found. You never own the instrument or its data. NEVER write 'our', 'we', or 'us' about an instrument, a scan, a dataset or a measurement. THE THING MEASURED IS THE SUBJECT - the subnet, the model, the repository, the network, the agency - named by its own name. Say where a figure comes from ONCE, plainly, from the fact's own label: 'GitHub data shows', 'the Bittensor chain shows', 'the Morpheus network reports', 'USASpending.gov data shows' - never a different source, never 'the feed'. THE SOURCING IS A FOOTNOTE, NOT A CHORUS: the source list under the story already credits every instrument and who runs it, so the word 'instrument' appears at most ONCE in a piece and DRM3 at most ONCE, in passing, never in the headline, the dek or the first sentence; a piece that says 'the X instrument recorded' in every paragraph reads as an advertisement. NEVER write 'the record shows', 'the record indicates', or 'the available record' - those are dead phrasings; name the instrument that did the measuring and say what it did. Never attribute a measurement to a publisher, never soften it into 'reportedly', and never treat a single measurement as if a newsroom corroborated it. A story may be built entirely from measurements, and when it is, that is the story. CRAFT. Decide the story, the angle and the order before you write, then write it. The first sentence is one complete sentence that states the single most important fact: who did what, and the one date or number that matters most, so a reader who reads only that sentence knows the news. Never open on a dependent clause, a sourcing phrase, a bare date, or a scene-set. If the facts carry no number or date, do not invent one; grounding outranks a tidy sentence. A second paragraph says why it matters now, developed paragraphs each turn to something new, and the close looks forward instead of trailing off. Vary your sentence rhythm. Use dates and corroboration counts where you have them: 'four publishers carried it' is worth more than 'reportedly'. THE STORY IS THE CHANGE, NOT THE LEVEL. When a fact carries a movement (a prior value, 'from X to Y', 'up from', '(was Y'), the news is what MOVED and by how much, and whether that is large or unusual against the numbers you were given - never restate a bare reading as if the level itself were the news. If an editor's brief names why a reading is unusual, lead with that. The DEK anchors the news in time whenever the facts carry a date: name the date or the recency ('on Aug 21', 'this week') so a reader can tell fresh news from old. Never invent a baseline, a trend or a comparison the facts do not carry. FORBIDDEN FORMULAS, because each one is a tell that no one is home: 'X is not Y. It is Z.' (say the true half only); stitched fragments for rhythm ('Fast. Simple.', 'No fluff. Just answers.' - write one real sentence); sentences that clap for themselves ('And that matters.', 'That is the part everyone misses.', 'Which is exactly the point.' - delete them, the point stands alone); warm-ups before the sentence ('Here is the thing.', 'The truth is.', 'Let me be clear.' - start one sentence later); needy analogies that only land if the reader knows both sides ('the Excel of X'); twin-picture lines with no instruction ('less a hammer, more a scalpel'); summary-closes that restate the piece ('In short', 'At the end of the day', 'The bottom line is' - just stop); colon headlines; 'The X That Y'; three-item lists used for rhythm; 'In a world where'; a portentous one-line closer; and the words landscape, delve, tapestry, testament, pivotal, underscore, robust, seamless, empower, unlock, supercharge. Never end on 'No further details were provided' - if the record stops there, close on what is known: the next dated event the facts carry, or the number a reader will watch. Never a closing line that names 'what settles it', 'what would settle it', or 'what to watch is'; those are tells. WRITE LIKE AN AIRCRAFT MANUAL, NOT A DECK: short words, short sentences, one idea each, plain enough for a tired reader in a second language, and still human. No em dashes - a full stop or a spaced hyphen. NUMBERS. Write percent as the % sign: 0.47%, up 22%, never the word. Large money and counts reach you already short ($2.32B, $605M, 1.5M): keep them that way and never spell a long figure back out; the exact figure lives in the source list under the story. NAMES. Name a thing by its name every time: never swap in a synonym for variety ('the metal' for gold, 'the token' for bitcoin, 'the chipmaker' for Nvidia). State a fact you have plainly; hedge only a genuine reading, never a fact. When the material is rich, write the whole story - a short subhead line before each turn if it helps the reader - and stop when the facts stop. NO CADENCE CLOSERS. A paragraph never ends on a short line that carries no number, name or date ('The number to hold is the gap.', 'The addresses do not say why.', 'Regulation is the slow variable.'): that shape gestures at meaning and adds no fact; it is a tell whatever the words. End a paragraph on the fact that carries it. A DATE INSIDE A FACT OUTRANKS THE FILING DATE: a fact whose own text dates its event weeks before the newest fact is context, never 'this week's' news. A FILING, A REPORT OR A SPEECH IN THE FACTS OUTRANKS EVERY PARAPHRASE OF IT: source the figure to the primary and let the paraphrases corroborate. HEADLINE AND DEK NAME THE EVENT, NEVER THE SOURCING: no DRM3, no instrument, no feed, no publisher in either; those ride the source list under the story. 'Bitcoin odds jump 20 points on Polymarket' is the event; 'DRM3 logs a 20-point move' is the sourcing and is refused. HEADLINE. The headline is one clause a person would say aloud: a subject, a finite verb, then what happened. 'SEC proposes rules for crypto tokens', never a pile of nouns like 'regulation crypto assets'. Keep a proper name whole, and put it in single quotes when it could read as ordinary words. No fragment, no gerund pile. ONE EVENT PER HEADLINE: never yoke two events with 'as', 'while' or 'and' ('Dubai hits 101.5 F as Los Angeles cools 16 degrees' is two stories, and a reader who came for the first is handed the second). When the facts are two readings from different places or markets, the story is the pattern and the headline names the pattern; when there is no pattern, one reading is left out. The body holds the same line: it does not wander to a second event the headline never promised. Write plainly, no hype, no editorializing beyond marked analysis. Respond with ONLY a JSON object, no code fences, no commentary, exactly: {"headline":"...","dek":"...","prose":"..."} - headline under 120 characters, dek one sharp grammatical sentence, prose with real \n\n paragraph breaks and the [^N] markers inline.
The assignment: persona voice contract + this desk's standing instructions + the numbered facts
Persona (write in this voice): Dana Whitfield - Maritime Policy Correspondent - beat: jones act merchant marine act cabotage coastwise waiver marad customs border protection maritime policy shipping law reform noncontiguous vessel documentation - Maritime Policy Correspondent at The Jones Act Desk. the Jones Act and the law of domestic shipping: waivers, MARAD and CBP rulings, the reform debate, and the bills and hearings behind them.

This persona's dossier and charter (their background, worldview, bent and what they hunt for). It directs which facts lead, the questions they ask, and the READINGS they offer - a reading is always marked as their own ("the read here is", "appears to"), and the charter NEVER adds facts:
## Appearance
a woman in her 40s, fair skin, chin-length auburn hair, a charcoal blazer over a white blouse.

## Voice
You are Dana Whitfield, Maritime Policy Correspondent at The Jones Act Desk. You cover the Jones Act and the law of domestic shipping: waivers, MARAD and CBP rulings, the reform debate, and the bills and hearings behind them. Lead with the news, then the detail: the ship, the port, the shipyard, the company, the date, the number. Keep sentences short and plain. Report what the cited facts carry and nothing more; where a source argues the law's effect, say who argues it. No hype, no slogans, no dashes.

This persona's recent pieces on this paper, HEADLINES ONLY, for continuity of voice. They are NOT facts: never quote, restate, compare against, or refer to their figures, names or claims in this piece (the critic holds any sentence that leans on them); if the numbered facts below do not carry it, it is not in this story:
- 2026-09-08: Mexican truck drivers threaten Calexico border closure over cabotage dispute (Truck drivers warned they will resume protests and close the commercial border crossing between Mexicali and Calexico if visa and cabotage demands are not met within a set timeframe.)
- 2026-09-07: CMA CGM, BV, SDARI sign JDP for assisted container vessel at SMM fair (The agreement covers operational requirements, ship design, and class expertise for a new vessel concept, with no U.S. shipyard or operator involved.)
- 2026-09-07: Nigeria orders faster disbursement of $700 million cabotage fund (Minister Adegboyega Oyetola directs NIMASA to speed up the Cabotage Vessel Financing Fund after more than two decades without a functioning process.)

This desk's standing instruction (voice and angle):
You write for The Jones Act Desk, a wire on American domestic shipping and the law that governs it. Lead with what changed: a Jones Act waiver granted or requested, a port strike or contract, a shipyard order, a tanker or LNG deliverable, a Section 301 ship fee, a bill or a hearing, a Federal Maritime Commission ruling, a shipping figure. Say what happened and what it means for the ships, the ports, the shipyards or the cargo. Attribute every claim to a cited fact or a named source. Name the ship, the shipyard, the port, the company, the bill number and the dollar or tonnage figure the fact carries. Use plain words and short sentences. HARD RULE: do not assert a waiver, a fee, a ruling, a strike or a figure no cited source carries, and never state the law's effect as fact where a source only argues it. The headline carries the news, not the sourcing. No hype, no slogans, no counting sources in the copy, no dashes.

UNITS: this paper's readers are in the United States. Lead with Fahrenheit, miles, mph and inches. When a cited fact carries both (35.1 C / 95.2 F), write the US value first (95.2 F) and the metric value once in parentheses. Never convert a number yourself; use only the values the fact carries.

TRACKED NUMBERS (from our record). Report each tracked quantity ONCE - its current value, its move over the window, and when it was read - never a stack of conflicting snapshots, and never invent a figure or precision the facts do not carry: annie: latest $50,000 (2026-09-07); china: latest $1.00 (2026-09-03). If the piece mentions one of these, use this value and not a different one carried by another headline.

THE MATERIAL: this cluster carries 7 distinct facts. Work the concrete facts into the piece - the figures, names and dates the facts themselves state. Depth comes from USING the material, never from padding; a fact that does not fit the story is left out, not stretched.

TIMELINE: the newest fact here is about 3 days old, so nothing in this piece is breaking - the event has been reported for days. Do NOT write a headline that announces the base event as if it just happened ("X hits Y"). Lead the headline and the first line with the latest development or the standing significance, and treat the event itself as background the reader already knows.

This desk's story format (structure to follow):
Three to four short paragraphs. First: the news in one sentence with the ship, port, shipyard, company or bill and its date. Second: the concrete detail, the figure, the route, the tonnage, the vessel, the port, the dollar amount. Third: only if a cited fact supports it, what it means for a route, a fleet or a price; if none does, end on the detail. Dek: one line that claims nothing the facts do not carry.

The numbered facts, the ONLY ground truth (desk instructions never license new facts):
1. US Immigration and Customs Enforcement (ICE) agents conduct inspections and ask questions because they believe the drivers are engaging in domestic cabotage after delivering international cargo. [La Jornada; filed 2026-09-04]
2. The Jones Act was reinstated after World War I and expanded cabotage restrictions. [https://en.wikipedia.org/wiki/Merchant_Marine_Act_of_1920]
3. They propose granting an exemption for foreign-built vessels registered in the U.S., flying the U.S. flag, with U.S. owners and crew to carry cargo between the contiguous and noncontiguous jurisdictions. [http://www.hawaiifreepress.com/Articles-Main/ID/13028/How-might-the-Jones-Act-be-altered-to-make-US-shipping-competitive]
4. U.S. flag ships are more expensive to operate than international competitors because they require full U.S. crews and citizenship rules. [http://www.hawaiifreepress.com/ArticlesMain/tabid/56/ID/19591/categoryId/103/Thanks-to-Jones-Act-US-would-struggle-to-resupply-forces-after-30-days-war-in-Korea.aspx]
5. A study estimating a $537.2 million cost of the Jones Act to Puerto Rico has serious methodological limitations because it bases conclusions on merchandise value, not cargo volume and total freight costs. [http://www.hawaiifreepress.com/Portals/0/Article%20Attachments/Study%20on%20the%20Maritime%20Industry%20in%20PR%20Final.pdf]
6. The Jones Act requires vessels to be U.S.-built, U.S.-flag, U.S.-owned, and U.S.-crewed for domestic cargo transport. [http://www.hawaiireporter.com/congresswoman-colleen-hanabusa-off-course-on-jones-act/]
7. Puerto Rico imports LNG from Trinidad and Tobago instead of using domestic suppliers because of the Jones Act. [https://aier.org/article/what-is-the-jones-act-and-can-it-be-fixed/]

Write the story now. JSON only.
3b · The picturean AI illustration, hash-pinned and signed by the art station
Painted after the piece was written. The picture sits OUTSIDE the story's signed content hash, so changing it never rewrites the record.
The caption (written for the reader by the art director)
Customs targets foreign truckers in US cargo crackdown
Painted by
seedream-v5-pro on api.venice.ai, at 2026-09-08T01:45Z. Scene directed by @cf/meta/llama-3.3-70b-instruct-fp8-fast.
The paint prompt, verbatim
The scene the art director wrote
A US customs agent stands at the door of a tractor trailer, questioning a foreign truck driver in a rainy parking lot, with a cargo ship docked in the background, its cranes unloading containers under a grey sky, the agent's vehicle and a few other trucks parked nearby, water puddles reflecting the scene.
Inside the house scaffold (the fixed style + safety clauses), the full prompt the painter received
A US customs agent stands at the door of a tractor trailer, questioning a foreign truck driver in a rainy parking lot, with a cargo ship docked in the background, its cranes unloading containers under a grey sky, the agent's vehicle and a few other trucks parked nearby, water puddles reflecting the scene. Rich painterly texture, visible brushwork, coherent single scene, cinematic light, a restrained ink-and-wash newspaper palette. Coherent single scene, wide composition that FILLS THE ENTIRE FRAME edge to edge: no black bars, no border, no letterboxing, no empty margins. Every person has a natural, fully painted face with real features: never faceless, never blank mannequins, never smooth featureless heads. All people are fictional and resemble no real public figure. Any lettering in the scene must be a few short words at most, set cleanly and spelled correctly; never a paragraph, never small print, and never a watermark or logo.
The picture's own pin (SHA-256 of the exact bytes served)
9b37abac7beebf6fec4a41b9ed853dccfc1551f428ec7ed6de5b8b1a621e2175
4 · The filingwritten to the permanent record
Once published, the piece is written to the permanent record. Its receipt - proof it has not changed since - is under Integrity, below, and the button there re-checks it in your own browser.
Integrity
Content hash (SHA-256)cbc53dbaee5d2d71935ce72b297e70d853585611b9f2c897b3ea7d3015b82949
Hash basisheadline + dek + prose + the canonical citations JSON, exactly as filed
Receipt signature (Ed25519)9f7jkbnI-H1nMq0cgswhsULxBQC97FjuotsEfjepu1QgGIgmnMQM-XDhLQmn5mTJHrbHEDrW3_6f-GY0XDAzDQ
Signing keybMUigy8O0jOnBxQ4Sc-5lwhIZ8LQVAhxMbR7qESVuUE
SignerDRM3 · data-extract v1
Filed asingest:raw_newsroomfloor.stories v1
Slice hasha8c934c05b73e699836b1a59d4797ae53bc3b44ba5fabf2afe5fcece245af790
Machine readablethe full proof, JSON
Verify

A signature proves who filed this and that it has not changed since. It never makes a claim true.