Invoice states

Draft

Created but not sent. Editable.

Sent

Emailed to the family. Awaiting payment.

Paid

Fully paid.

Overdue

Past the due date without full payment.

Voided

Cancelled. Excluded from balances and receipts.

Cancelled

Not owed, like Voided. It stays on the child’s statement, out of the balance, and is left out of the Finance report. Its PDF says nothing to pay.