Solution : https://service.sap.com/sap/support/notes/966902 (SAP Service marketplace login required)
Key words :
individual budget billing plan items, statistical budget billing procedure, attached correction instructions, sales tax code, sales/purchases, -added tax, report reumws00, reumws00 reason, partially cleared, completely open
Related Notes :
| 990271 | REUMWS00: Change of the tax amount |
| 987156 | REUMWS00: Various changes in the program |
| 971906 | Budget billing plan: Tax change |