No, your .EFT File doesn't expire and you can use it for multiple tax stamp applications. Although, your .EFT File doesn't it expire, you may want to get a new .EFT File if the contents within the .EFT File changes, e.g. your name, address, significant changes to your weight, hair color, etc.
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 p...
ATF Form
Processing Time Paper Application
Processing Time eForms
ATF Form 1
91 Days
26 Days
ATF Form 3
7 Days
3 Days
ATF Form 4
200 Days
26 Days
ATF Form 4 Trust
207 Days
55 Days
ATF ...
When ordering the .EFT File Service, we will schedule your appointment to visit a UPS Store or fingerprinting location to complete the scanning of your fingerprints for the .EFT File. When you att...