The Portuguese Tax Authorities have issued a binding ruling (Process 26650, February 9, 2026) clarifying an essential question under Article 10 of the Personal Income Tax Code (CIRS): can a taxpayer benefit from the capital gains reinvestment exclusion more than once within a short period, including where less than three years have elapsed, if the legal conditions are met?
This article provides a structured technical analysis of the ruling and its implications for individuals disposing of their primary residence in Portugal.
1. Legal Framework: Article 10(5) CIRS
Under Article 10(5) of the Portuguese Personal Income Tax Code (CIRS), capital gains derived from the disposal of a property qualifying as Habitação Própria e Permanente (HPP – permanent habitation, primary and permanent residence)may be excluded from taxation if certain cumulative conditions are met.
The exemption applies where:
The net sale proceeds (after repayment of any acquisition loan) are reinvested.
The reinvestment is made in:
Acquisition of another property;
Land for construction and respective construction;
Enlargement or improvement of another property;
The new property is also intended exclusively as HPP.
The reinvestment occurs between:
24 months before, and
36 months after the date of sale;
The taxpayer declares the intention to reinvest in the tax return for the year of sale.
The sold property was used as HPP (proven through fiscal domicile) in the 12 months preceding the sale, unless exceptional circumstances apply.
These requirements are cumulative and strictly interpreted.
2. Facts Considered in the Binding Ruling
The case involved the following sequence:
In 2022, the taxpayer sold a primary residence.
The sale proceeds were reinvested in a new property in 2022.
In 2025, the second property (the reinvestment property) was sold.
In 2025, a third property was acquired and designated as HPP.
The taxpayer asked whether the capital gains exclusion could apply again, even though less than 3 years had passed since the prior reinvestment, and whether exceptional personal circumstances (the death of a family member) were relevant.
3. The Tax Authority’s Position
The Tax Authority confirmed that the decisive factor is not the passage of three years between acquisitions, but whether the statutory conditions under Article 10(5) and (6) CIRS are fulfilled in respect of each transaction.
Specifically:
If the property sold in 2025 constituted the taxpayer’s HPP in the 12 months before sale;
If the reinvestment occurred within the legally permitted timeframe;
If the intention to reinvest was properly declared;
And if all other legal requirements are met;
Then the taxpayer may again benefit from the capital gains exclusion.
There is no automatic prohibition on sequential reinvestments.
4. The Three-Year Misconception
A common misunderstanding in practice is that once a reinvestment is made, the property must be retained for 3 years to preserve the exemption.
The law does not impose such a holding period.
Instead, the relevant timing rules concern:
The reinvestment window (24 months before / 36 months after sale);
The requirement is that the sold property must have been HPP for at least 12 months before disposal, unless exceptional circumstances justify otherwise.
Therefore, selling a reinvested property within three years does not automatically invalidate the exemption, provided all conditions are respected in the new transaction.
5. Exceptional Circumstances
The ruling references the legal exception introduced by Decreto-Lei n.º 57/2024, which provides flexibility in cases where failure to meet the 12-month HPP requirement is due to exceptional circumstances.
While the ruling does not elaborate extensively, this provision may apply in situations such as:
Death of a household member;
Severe illness;
Unforeseen life events impacting habitual residence.
Each case is assessed individually.
6. Practical Technical Considerations
From a compliance perspective, taxpayers must ensure:
Accurate declaration of reinvestment intention in Modelo 3.
Proper documentation of domicile registration;
Clear evidence of HPP status;
Monitoring of reinvestment deadlines;
Calculation of net reinvestment after loan amortisation.
Partial reinvestment leads to proportional taxation of the non-reinvested portion.
In addition, the exclusion applies only to properties located in:
Portugal; or
Another EU or EEA Member State (with exchange of tax information).
7. Key Takeaways
The binding ruling confirms:
Multiple successive reinvestments are legally possible.
There is no statutory three-year holding requirement.
Each disposal must independently satisfy Article 10 CIRS conditions.
Exceptional personal circumstances may justify deviations from strict timing requirements.
The exemption remains conditional and compliance-driven.
Conclusion
The Reinvestment Capital Gains Portugal regime remains one of the most relevant planning mechanisms for private individuals managing residential property transitions.
However, its application is technical and fact-sensitive. Sequential reinvestments require careful structuring and documentation to ensure continued eligibility.
Before reinvesting capital gains in Portugal, a professional review is strongly recommended to avoid unintended capital gains taxation.
This article provides general information on the Reinvestment Capital Gains in Portugal based on a binding ruling issued by the Portuguese Tax Authorities (Process 26650, February 9, 2026). It does not constitute tax or legal advice. The application of Article 10 CIRS depends on individual circumstances and proper compliance with all statutory requirements.
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