The Superior Court of Justice (STJ, Brazil’s highest appellate court for non-constitutional federal matters) established that the Rate Differential of the State Value-Added Tax (ICMS-Difal) does not compose the calculation base for PIS and Cofins federal contributions.
What does this decision mean?
To understand the impact of the ruling, it is important to clearly clarify the key concepts involved:
- ICMS-Difal: The rate differential of the state value-added tax levied on interstate transactions. Its purpose is to balance tax revenue between the state of origin and the state of destination of goods.
- PIS and Cofins: Federal social contributions levied on gross corporate revenues or turnover.
The core issue analyzed by the court was whether the amount paid as ICMS-Difal could be considered part of a company’s gross revenue for the purposes of calculating PIS and Cofins. By ruling that the state tax does not compose this base, the STJ excludes this amount from the calculation of these federal contributions.
Impact on businesses
Excluding ICMS-Difal from the PIS and Cofins calculation base represents a key milestone for the tax operations of companies engaged in interstate sales. The understanding directly affects sectors with a high volume of interstate transactions, such as retail and e-commerce.
With this precedent set by the STJ, organizations gain greater clarity and legal certainty regarding how to calculate their federal tax liabilities in transactions that require payment of the rate differential.
This content is for informational purposes only and does not constitute legal advice. For guidance on specific matters, consult a qualified lawyer.

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