Solution : https://service.sap.com/sap/support/notes/1441194 (SAP Service marketplace login required)
Key words :
change tax reporting data, document change rules, incorrect intial values, transaction fb02, terms fb02, idoc reason, implemented notes 1023317, bset-stmdt, date field, correct initial
Related Notes :
1235415 | Legal Change: Vat Due Date for release 4.6C and 4.70 |
1232484 | How to use the VAT due date, tax reporting date VATDATE |
1137492 | Changeability of tax reporting date |
1023317 | Legal Change: Vat Due date |