Italy has officially approved a significant legislative change that will reshape the financial landscape for high-net-worth individuals (HNWIs) and internationally mobile workers. The new law, already published in the Official Gazette, explicitly prohibits the simultaneous use of the Flat Tax regime for new residents and the Inbound Workers regime (Impatriati).
However, the real story for investors and expats lies in the timing: This restriction only takes effect for those transferring their tax residence to Italy starting from the 2027 tax year.
Understanding the "Power Combo": What are these Regimes?
Before diving into the changes, it is essential to understand why combining these two tax systems has been the “Gold Standard” for expats in Italy:
- The Flat Tax Regime (Non-Dom): Designed for HNWIs, this allows new residents to pay a single, fixed annual tax on all foreign-sourced income (rental income abroad, dividends, capital gains). As of the latest 2026 updates, this fixed fee has been increased to €300,000 per year.
- The Inbound Workers Regime (Impatriati): This targets professionals and entrepreneurs who move their work to Italy. It offers a significant reduction (often 50% or more) in taxable income for employment or self-employment income earned within Italy.
The “Combo” Advantage: Until now, a wealthy professional could move to Italy, pay a flat €300k on their global empire, and simultaneously pay a heavily discounted tax rate on their local Italian salary.
The 2026 Transitional Window: A Narrow Opportunity
The delayed enforcement creates a critical strategic window. Individuals who successfully establish Italian tax residence by the end of the 2026 tax year can still “stack” or combine both regimes, provided they meet all legal criteria.
This unique combination allows taxpayers to access:
- The Flat Tax Regime: A fixed annual payment on foreign-sourced income (increased to €300,000 as of recent 2026 updates).
- The Inbound Workers (Impatriati) Regime: Significant tax exemptions on Italian-sourced employment or self-employment income.
For a limited time, taxpayers can structure their relocation to benefit from both a capped tax on global wealth and a reduced tax on Italian active income. From January 1, 2027, this “dual benefit” will disappear forever.
Complex Timing: Each Regime Runs on its Own Clock
While the 2026 window is open, aligning the two regimes is not automatic. Each has its own strict deadlines:
- Flat Tax Election: This must generally be exercised in the first tax return following the residence transfer.
- Impatriati Application: This can be applied through payroll or a tax return, but recent 2026 guidance from Italian authorities has tightened the interpretative constraints, especially for partial years of residence.
The "Interpello" as a Safeguard
Given the technical complexity and the fast-approaching 2027 cutoff, the Italian tax ruling procedure, known as “Interpello,” has become an essential tool. An Interpello allows a taxpayer to present their specific case to the authorities and receive an official, binding position. This is highly recommended for:
- Relocations occurring late in 2026.
- Individuals with complex international income streams or changes in employment status.
Strategic Decisions for Current Residents
The new legislation isn’t just for future arrivals. Current residents who are eligible for both but haven’t yet combined them face a “regime choice” dilemma. Deciding between the Flat Tax and the Inbound Workers regime requires a long-term evaluation of asset structures and expected future income.
Conclusion: Timing is Everything
While the new law represents a restriction, it also provides a clear planning horizon. The period between now and December 31, 2026, offers the last chance to lock in a combined tax structure that will become impossible in 2027. For those considering Italy, the message is clear: Wait until 2027, and the framework becomes significantly more rigid.
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