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None - This creation type is the same as the related invoice. Nothing will change when it comes to displaying this item
Flexible Payment Plan - Invoice items created based on the Flexible Payment Plan
Technical Reversal -This is the negative clone of the previous version
Delta Adjustment - This is a new version of the Invoice item after the change. This item would display the new Delta fields
Cancelation - This is a new version of the Invoice item after the cancelation.
The following new fields for delta invoicing are created which will calculate the outstanding amount based on changes done for Campaigns and what was already invoiced.
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