Solution : https://service.sap.com/sap/support/notes/155001 (SAP Service marketplace login required)
Key words : 
subto reqt altcty altcbv actky918  0   j1a1  900, wrong gross income perception condition values, 'x'group condition ' 'grpcond, group condition 'x'grpcond, j1x1 'gip j1a1 step 2', j1x2 'gip j1a2 step 2', j1x3 'gip j1a3 step 2', gross income perception, condition types j1a1, step ctyp       fro
Related Notes : 
       
| 687304 | Argentina : Tax code is not taken from condition record | 
| 102852 | AR:SD: VAT perception and customer exemption |