If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
Please let me know if it is possible to deduct WHT from SD Invoice, if the WHT codes are maintained in the customer master. Is it possible to flow as part of the accouting document generated through VF01/VF03