Special Occupational Taxpayers are a group of Federal Firearm Licensees in the United States who manufacture, import and/or transfer NFA weapons.
[1] The National Firearms Act Special Occupational Taxpayer class is part of the Internal Revenue Code of 1986.
The Special Occupational Tax is due on or before July 1 of each year.
Importers and manufacturers engaged in business with less than $500,000 in gross receipts in the most recent taxable year are given relief in the form of a $500 reduction in SOT tax payment making the total SOT tax $500.
The excise tax applies only when the quantity of firearms imported or manufactured during the year is 50 or more.