USPSARules

Chapter 9 · Scoring · p.60

9.10Official Time

9.10.1p.60

Only the timing device operated by a Range Officer must be used to record the official elapsed time of a competitor’s attempt at a . If a timing device is faulty, a competitor whose attempt cannot be credited with an accurate time will be required to reshoot the stage.

9.10.2p.60

If, in the opinion of an Arbitration Committee, the time credited to a competitor for a is deemed to be unrealistic, the competitor will be required to reshoot the course of fire (see Rule 9.7.4).

9.10.3p.60

A competitor who reacts to a start signal but for any reason does not fire a shot or continue the attempt at the and fails to have an official time recorded on the timing device operated by the Range Officer will be given a zero time and zero score for that course of fire. This constitutes a “Did Not Fire”, or DNF for the stage.