Objective:

Does a QBO re-sync happen immediately?
How long does a QuickBooks Online re-sync take?

Environment:

Clio Manage
QuickBooks Online

Additional Information:

Not all errors from the QuickBooks Online Sync offer the option to re-sync. If this button is not available and it has been one hour since making the change or the re-sync has failed, please call Clio Support at 1-888-858-2546 ext. 2.
A QuickBooks Online Sync cannot be forced.

Answer:

After clicking the "retry" button, the Bill will attempt a re-sync during the next QuickBooks Online sync. Clio will perform a sync to QuickBooks Online in 30-minute intervals