- When the settlement amount of a transaction is greater than the authorized amount e.g. force post or due to a late return
- Timing issue when the effective date of a transaction is greater than the posted date of the transaction
- Stand in Processing - allows for the completion of certain transactions when authorization from the service provider is unavailable
- Fraud - such as when a customer pulls funds, spends the pulled funds, initiates a return with their external bank resulting in a negative balance
- Work with the end customer to recover the funds
- Determine if the account should be closed or frozen
- You can choose to cover the cost