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New Rule Limits Corrections Made by the Government During Tax Collection Lawsuits, Increasing Predictability for Debtors
The definition by the Superior Court of Justice in Topic 1.350 reinforced a direct limit on tax collection: the Public Treasury cannot change the legal basis of the debt after it has been registered in the Active Debt Certificate, CDA.
In practice, the measure protects the taxpayer against course changes during the judicial dispute, even before the judgment in the tax enforcement objections.
The decision, published on 10/22/2025, was unanimous and has binding effect, which requires the application of this understanding throughout the country.
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What Happened and Why It Caught Attention
The central point is the way the collection appears in the CDA, which serves as the document that formalizes the credit and supports the enforcement.
When the legal basis used to impose the tax changes, there is a change at the core of the collection, which affects the very reason for the debt’s existence.
This type of change impacts the predictability of the process, as the taxpayer’s defense is built on what was indicated as the basis at the time of registration.
What the Treasury Can Correct in the CDA Without Annulling the Collection
The correction of the CDA remains possible in cases of obvious and merely instrumental errors, without altering the legal content of the assessment.
Included in this group are mistakes such as swapped digits, incorrect CNPJ, arithmetic errors, and typos, provided that the adjustment merely aligns the document with the already constituted credit.
In these cases, the correction does not create a new debt nor change the applicable rule; it merely corrects the presentation of what was already defined.
When the Amendment Becomes Reconstitution of the Assessment and Becomes Prohibited
The limitation appears when the attempt to correct changes the norm used to justify the collection, alters the indicated article of law, invokes legislation not mentioned in the origin, or seeks to readjust the nature of the tax.
This is treated as reconstitution of the assessment, because it requires rebuilding the credit structure, and not just adjusting a formal detail.
When this substantial flaw occurs, the indicated consequence is objective: the CDA becomes null, and the debt constitution procedure must be restarted, respecting due process.
How Summaries 166 and 392 Fit Into This New Scenario
The understanding connects with Summaries 166 and 392, which already allowed correction of the CDA until the judgment, provided that it was limited to formal adjustments.
The difference is that Topic 1.350 sets a more direct criterion to separate what is an allowed correction and what is a prohibited change.
When the review requires changing the incidence norm, altering the factual or legal basis of the assessment, or reconstructing the tax legal relationship, the amendment ceases to be a simple adjustment and becomes prohibited.
What Changes in Practice for Taxpayers and Companies with Fiscal Liabilities
The main consequence is the reduction of surprises during tax enforcement, as the collection must maintain the legal basis already indicated in the registration.
This strengthens legal certainty, improves transparency about the grounds for the collection, and preserves equality between the parties in the process.
It also limits adjustment strategies during enforcement to try to save poorly formulated assessments, which directly impacts companies dealing with complex liabilities and defenses structured by legal arguments.
The establishment of Topic 1.350 states that the Public Treasury cannot remodel the assessment within the executive process, preserving the stability of the procedure and the predictability for those defending themselves.
As a result, the CDA remains a faithful reflection of the tax credit, not an adjustable document to change the legal basis of the collection throughout the dispute.
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