If If you are an existing user in Celoxis and decided to switch to QBO you need to first agree on date prior to making the switch. This is important because once you are connected to QBO you can only sync the time entries which in Approved and Billable state. You cannot invoice entries from Celoxis. Invoicing will be done from QBO. These entries will not have Invoice option however you can delete, reject and modify the fields of time entries.
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