Chapter 2 · Course Construction, Equipment and Modification · p.18
2.7Unloading/Loading Station
If it is possible that some competitors arriving at a range where a USPSA match is being held may be in possession of a on their person (e.g. law enforcement officers, persons duly authorized to carry a loaded firearm, etc.), match organizers should provide an / Station to enable such competitors to safely unload their firearms prior to entering the range, and to safely load their firearms again on departure from the range. The Unloading/Loading Station should be conveniently located outside the entrance to the range (or outside the portion of the range allocated to the USPSA match), it should be clearly marked with a sign and it must include a suitable impact zone.
Where no / station is provided, a competitor who arrives at a match in possession of a and proceeds immediately to a for the express purpose of safely unloading the firearm shall not be subject to disqualification per the provisions of Rule 10.5.12.