Solution : https://service.sap.com/sap/support/notes/613691 (SAP Service marketplace login required)
Key words : 
ty_total_j_1btxic3v    protectedty_total_j_1btxip3v    protectedty_total_j_1btxis3v    protectedty_total_j_1btxst3v    protected, maintenance views j_1btx 3v, tab strip internal types, dynamic tax exception tables, condition- based tax calculation, item   type j_1btxic3v, flags  type vimflagtab, item   type j_1btxip3v, item   type j_1btxis3v, item   type j_1btxst3v
Related Notes : 
       
| 552695 | Brazil: Corrections in Condition Generation |