ATF Form 3310.4 (Pistols & Revolvers)
Any instance of one person, a non-licensee, receiving more than one handgun within a five business day period requires a Report of Multiple Sale (Form 3310.4). This is true of individuals purchasing handguns for themselves and individuals acting on behalf of corporations.
ATF Form 3310.12 (Certain Rifles)
Certain FFLs in CA, TX, AZ and NM are required to submit this form. Licensees who are subject to the reporting requirement of the rifle multiple sale form should have received a letter at their licensed premises notifying them of the reporting requirement and.