Solution : https://service.sap.com/sap/support/notes/658604 (SAP Service marketplace login required)
Key words :
/3 system pricing formulas 500, inserted table records, edit table taxmsd, table taxmsd, system table, table contents, /3 system upgrades, data browser, transaction se16, existing entries
Related Notes :
| 1373174 | Tax interface: Sending additional fields to formula 300 |
| 1373122 | Tax interface: Sending additional fields to formula 500, 501 |
| 1366144 | Tax code based non-taxable transactions getting taxed in CRM |