I
In accumulator bets, it is important to distinguish between two types:
1. Same-event accumulators (Bet Builder feature)
If any selection is declared void, the entire accumulator will be voided.
These are easy to identify, as the bet slip shows a single combined odds value.
2. Multi-event accumulators
If any selection is declared void, the accumulator remains valid, and the odds are adjusted accordingly.
In this case, the bet slip shows the odds for each selection separately.
(See section B.3.22 of the Betting Rules)
Below, you can find examples of both types of accumulators:
Bet builder