The ATF Form 3310.12 must be submitted to the National Tracing Center no later than the close of business on the day a qualifying multiple sale or other disposition took place. The form may be emailed to multiplelonggunsalesforms@atf.gov(link sends e-mail), faxed to (877) 283- 0288, or mailed to the U.S. Department of Justice, NTC, 244 Needy Road, Martinsburg, WV 25405.
