Sep 18, 2026 · 3 min · 4 segments
CBP is taking a closer look at importer identity information and has warned that inaccurate or incomplete Form 5106 filings could result in voided importer numbers and other enforcement consequences…
Mark TalloGuest
Today, I wanted to highlight an important customs compliance development that may be flying a bit under the radar.

And this is CBP's recent efforts to clean up its list of active importer of record or IOR numbers.


This effort is part of a broader customs enforcement initiative focused on improving data integrity and accountability in the import process and stems from the President's Executive Order on customs enforcement issued earlier this year.

Now, most importers view Form 5106 as a routine onboarding document, and it asks for basic information such as the company's name, tax identification number, address, phone number, and email.

But CBP is making it clear that this information is no longer something to simply set and forget.

Beginning today, September 18th, CBP has stated that if it determines the information on a Form 5106 is incomplete, inaccurate, or doesn't actually belong to the importer, the agency may void the importer number entirely.

If an importer number is voided, that number can no longer be used to enter merchandise into the United States.

And CBP also reminds importers and brokers that the stakes may extend beyond shipment delays.

The agency notes that knowingly providing false information on a Form 5106 could expose individuals to fines, criminal penalties, or other enforcement actions.

So what's the practical takeaway? Well, it's a good time for companies to review their importer profiles and confirm that key information, including addresses, contact details, ownership information, officer information, is all correct and accurate.

A few minutes spent validating that information today may help avoid much larger disruptions tomorrow.

Today, I wanted to highlight an important customs compliance development that may be flying a bit under the radar.

And this is CBP's recent efforts to clean up its list of active importer of record or IOR numbers.


This effort is part of a broader customs enforcement initiative focused on improving data integrity and accountability in the import process and stems from the President's Executive Order on customs enforcement issued earlier this year.

Now, most importers view Form 5106 as a routine onboarding document, and it asks for basic information such as the company's name, tax identification number, address, phone number, and email.

But CBP is making it clear that this information is no longer something to simply set and forget.

Beginning today, September 18th, CBP has stated that if it determines the information on a Form 5106 is incomplete, inaccurate, or doesn't actually belong to the importer, the agency may void the importer number entirely.

If an importer number is voided, that number can no longer be used to enter merchandise into the United States.

And CBP also reminds importers and brokers that the stakes may extend beyond shipment delays.

The agency notes that knowingly providing false information on a Form 5106 could expose individuals to fines, criminal penalties, or other enforcement actions.

So what's the practical takeaway? Well, it's a good time for companies to review their importer profiles and confirm that key information, including addresses, contact details, ownership information, officer information, is all correct and accurate.

A few minutes spent validating that information today may help avoid much larger disruptions tomorrow.
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