ATF Form 5320.24, Description of Firearm and Information on Request for Demonstration, should be submitted by Federal Firearms Licensees who have paid the special (occupational) tax to import, manufacture, or deal in NFA firearms, for approval to transfer an NFA firearm to a similarly qualified licensee. The completed ATF Form 5320.24 should be completed by a law enforcement agency requesting demonstration of 922(o) machineguns and will serve as supporting documentation for the ATF Form 3 (5320.3), Application for Tax-Exempt Transfer of Firearm and Registration to Special Occupational Taxpayer (National Firearms Act). The furnishing of this information is mandatory pursuant to Federal regulation (27 CFR § 479.105(d)).