According to the ATF the reason two FD-258 fingerprint cards are required is to ensure that the at least one of the FD-258 fingerprint cards is legible and that the second card is a backup card. This means that your application should be processed as is if you accidentally only sent one FD-258 fingerprint card.
The address on your $200 payment for your tax stamp application doesn't need to match the address on your ATF Form 1 or ATF Form 4 application. The ATF doesn't directly process the payment, U.S. Bank's lockbox service does, so having a different address doesn't matter.
The ATF 5320.1, ATF 5320.4, ATF 5320.5 and the ATF 5320.23 paperwork have different passport photo requirements for the ATF applications. This can be confusing because the ATF paperwork has different passport photo quantities depending on how you are applying for your ATF tax stamp.
According to the ATF NFA Branch, you aren't able to use a P.O. Box for the address on your application. This means that you will need to provide the physical address that the NFA firearm will reside at.
In order to fix this, you will need to use the "Ask the Experts" button in the eForm website. This button is located in the upper left next to "Home", "My Profile", and "FAQ". From their you can request a new copy of your eForm 1 tax stamp that doesn't have the "Draft" watermark on your tax stamp.
What is the process of transferring the SBR/SBS or removing the SBR/SBS from the ATF NFRTR, creating a title 1 firearm and then selling the SBR/SBS? What if the buyer of your title 1 firearm wants to create an SBR/SBS from your already deregistered SBR/SBS at the time of purchase or in the future?
Whether you submit your ATF 5320.20 via mail, email or fax you will receive your approved or in some cases denied ATF 5320.20 to the address you supplied in Box 1 or Box 5 of the ATF 5320.20 form.