On the ATF eForm 4, you can have your FFL add your UPIN number to application on the Transferee page, if you are applying as an individual. The UPIN box is located at the bottom of the Transferee page and is question 17.
If you are applying as a trust, corporation or other legal entity, your UPIN number would be entered on the Responsible Persons page right about the Save & Close button.
Since the release of the new ATF eForm 4 and ATF Form 4 to reflect $0 tax stamp. The paid tax stamp is a green tax stamp and the new tax stamp is a blue tax stamp indicating "Zero Dollars".
As the New ATF eForm 4 becomes used more and more, we are hearing about different errors and their fixes. There is an error on the firearms page of the ATF eForm 4 that users are experiencing. It...
How to guide and walk-through guide for the ATF eForm 4 NFA Tax Stamp Application - ATF e5320.4 Application for Tax Paid Transfer and Registration of Firearm
JANUARY 2026 UPDATED VERSION
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