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. The entries which are already invoiced 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.
Time entries Invoiced in Celoxis prior to connecting to QBO will not sync with QBO. You cannot invoice entries in Celoxis which are in approved state. They must be invoiced in QBO. , If you wish to sync them with You cannot sync entries which are already in Invoice state hence if you want to sync entries in Invoiced state you these entries with QBO you need first UnInvoice them (This action can be performed only by privileged user) and then sync with QBO. There will be no Invoice button in bulk operations or single edit for Approved TE. so they go back to Approved state and you can sync them with QBO. (Note: Only user with admin rights can UnInvoice Time Entries in Celoxis)
