Just to drop the letter of the law in as per the doc as shared in here for those asking the same question who don't want to have to read chapter and verse.( It's on page 49 ).
Hope this pays it forward and helps someone else and thanks again to those who contributed.
NO TARGET
24.20 A “No Target” will be called and a new target will be launched, the shooter having fired or not providing:
a) The target is broken at the start.
b) The target is launched from the wrong trap.
c) Two targets are launched simultaneously when a single should have been thrown.
d) The target is definitely of another colour than the targets used for the competition on at that stand.
e) The first or second target of a pair is irregular.
f) The targets are launched simultaneously for a report pair or a following pair(i.e. two or more targets released).
g) The target is launched before the Competitor has called for it.
h) The target is launched after a delay of more than three seconds.
i) The target zigzags, or its initial speed is insufficient or if its trajectory is irregular.
j) The Competitor shoots at the first target and this target collides with the second before the Competitor has fired their second shot.
k) In the case of a “No Target” in simultaneous or following pairs the competitor will be asked to fire at a second pair to determine the scores of the two shots. l) This will also apply in the case of a malfunction of gun or ammunition not attributable to the Competitor, provided that it is not the third time on that stand.
24.21 The Referee may also order the launching of a new target when:
a) The competitor has been materially disturbed.
b) Another competitor fires at the same target.
c) The Referee cannot decide for any reason if the target has been hit or lost.
d) The Referee cannot in any case give a “No Target” if the competitor has missed for any reason other than those stated in the “No Target” rules.
REPORT PAIRS
24.22 When a second target of a report pair is declared “No Target” the result of the shot at the firsttarget will stand and the competitor will be asked to repeat the pair to determine the result of thesecond target.
24.23 When re-shooting the pair, the competitor must make a reasonable attempt to hit the firsttarget before attempting to shoot at the second target.
24.24 Referees must ensure that competitors adhere strictly to rule 24.22. If a violation of rule takesplace, the Referee shall ask the competitor to repeat the pair (1st target established). If the Competitorviolates rule 24.23 on three occasions, then at the third occasion the second target will be declared “lost”
