If there is a presentation ceremony, bets will be settled in accordance with the official result of the relevant governing body at the time of the ceremony.
If there is no presentation ceremony, bets will be settled in accordance with the official result of the relevant governing body immediately after the event.
The above applies regardless of any subsequent disqualification or amendment to the result (except if an amendment is announced within 24 hours of the initial settlement of the relevant market in order to correct an error in reporting the result).
If a crew or individual starts a race but does not complete it, then they will be deemed a loser providing at least one other crew or individual completes the race. If no crew or individual completes a race, then all bets will be void.
If a regatta is cancelled for any reason, all bets will be void, except those on markets that have been unconditionally determined.
The Exchange General Rules and Market Information will apply in respect of any category of bets or markets not referred to in the Specific Sports Rules. If there is any inconsistency between the Specific Sports Rules and the Exchange General Rules, the Specific Sports Rules shall prevail. If there is any inconsistency between the Market Information and either the Exchange General Rules or the Specific Sports Rules, the Market Information shall prevail.
See here for the Exchange General Rules.