Compliance - ONESOURCE Indirect Tax Determination - IDT

Legal Update and Tax Reform

Q1/2026
 CBS and IBS - New Element: cClasstrib
            
- Content: Rules and rates with cClasstrib (2026)
            
- Content: Rules and rates with cClasstrib (For 2027, adjusting tax rates)   
Q2/2026
 Selective Tax - Outbound XML Tags: Effective rate, rate reduction, total tax amount, and total reduced tax amount.
            
- New calculation method.
            
- Authority
            
- Content: Rules and rates (Part 1 of 3). (Pending publication of the legislation)   
Q3/2026
 Selective Tax - Content: Rules and rates (Part 2 of 3). (Pending publication of the legislation) 
 CBS and IBS - New calculation method including the Selective Tax (IS) in the tax base.
            
- Content: Rules with the new calculation method. 
 ISS and ICMS - New calculation method including IBS/CBS/IS in the tax base.
            
- Content: Rules with the new calculation method (Part 1 of 2). 
Q4/2026
 Selective Tax - Content: Rules and rates (Part 3 of 3). (Pending publication of the legislation)
          
 IPI - New calculation method including IBS/CBS/IS in the tax base.
            
- Content: Rules with the new calculation method (Part 1 of 2). (Pending publication of the legislation)
          
 ISS and ICMS - Content: Rules with the new calculation method (Part 2 of 3).   