Before a bill is sent for insured billing, it will have two statuses.
Draft:  The bill is created, but will not be sent automatically to the provincial provider.
Ready: The bill is complete and will automatically be sent to the provincial provider that evening.

This can be set in the billing settings section.

When a bill is returned for any reason from the provincial provider there are two more bill statuses to choose from:

Mark as Completed: Will not receive outstanding amount or partial-payment (adjustment).
Mark as Cancelled: Billed in error, will mark the claim to $0 owing (a write-off).

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