Solution : https://service.sap.com/sap/support/notes/415295 (SAP Service marketplace login required)
Key words :
transaction pa40 'tax exempt indicator', symptom dynamic screen control, giving expected results, 'infotype screen control', additional amount prohibited, configuring tables t5utz, tables t5utz, t5utz solution, t5utz settings, symptoms include
Related Notes :
| 524088 | CFG: Screen display still misbehaving after note 415295 |
| 411780 | Q&A: Master Note for US Tax functionality |