How is double taxation for border workers managed?

Earned income is taxed at source in Switzerland. To avoid double taxation, the taxpayer must declare income in Italy in the EC framework of form 730, requesting the tax credit for taxes already paid in Switzerland, in accordance with current legislation.

What are the contribution rates in Switzerland?

Contributions include AVS/AI/IPG at 5.3% at the employee's expense, unemployment insurance (AD/AC) at 1.1% (up to CHF 148,200), accident insurance (LAINF) between 0.7% and 1.5%, and occupational insurance (LPP) ranging from 7% to 18% based on age.

What changes with the new tax agreement from 2024?

The new agreement, in force from 1 January 2024, defines the rules for new frontier workers, introducing a deductible of 10,000 euros. Workers already active before 17 July 2023 benefit from a specific transitional regime until 2033.

Living in Guanzate and working in Ticino as a border worker (cross-border guide)

Di Redazione Frontaliere Ticino · Published on 23 August 2026

Border between Italy and Switzerland, transit zone for cross-border workers

Practical guide for those who choose Guanzate: connections, taxation, new agreement and work management in Ticino.

Context

In a nutshell

New Frontier Agreement in force from 1 January 2024.
Withholding tax withheld only in Switzerland.
Tax credit in Italy avoids double taxation.

Key facts

What: New Frontier Agreement
When: 1 January 2024
Where: Italy-Switzerland
Who: Revenue Agency, Federal Tax Administration
Amount: Deductible €10,000 for new frontier workers

The move to Guanzate represents a strategic choice for those who work in Ticino, allowing to combine the proximity to the border with the housing dynamics of the Lombard territory. To fully understand this condition, it is essential to analyse the regulatory framework that regulates the relationship between the two states. From 1 January 2024, the new tax agreement is in force, signed on 23 December 2020 and ratified in Italy with Law 83 of 13 June 2023. This legislation has introduced substantial changes, but without prejudice to the rule that income from work is subject to tax at source exclusively in Switzerland. To avoid double taxation, workers must assert the tax credit in the EC framework of the model 730 in Italy. Switzerland, not being an EU or EEA member, continues to manage its rates according to federal and cantonal provisions, administered by the Federal Tax Administration (FTA).

The distinction between frontier workers

The distinction between old and new frontiersmen is central. Who was

Operational details

Analyzing daily life as a border worker involves considering mandatory contributions that weigh on the Swiss paycheck. Social security consists of various items, including AVS, AI, and IPG, with a total tax rate of 5.3% borne by the employee. These are added to the unemployment insurance (AD/AC) set at 1.1% up to an annual salary ceiling of 148,200 CHF. Regarding accident protection (LAINF), the rate varies between 0.7% and 1.5%, while professional pension (LPP) oscillates between 7% and 18% based on the age range, starting at 25 years. In Italy, the IRPEF follows progressive brackets: 23% up to 28,000 euros, 35% between 28,001 and 50,000 euros, and 43% over 50,000 euros.

Useful tools for your case

To verify your within/over 20 km tax scenario, use the net salary calculator and the tax return guide.

Key points

For those who decide to settle in Guanzate, the operational procedure begins with the correct registration of one's work position. It is necessary to verify that you possess the valid permesso G permit, necessary to work in the Canton of Ticino. The management of the Swiss payroll requires a clear understanding of the source deductions, which are calculated directly by the cantonal authorities based on the tax tables. It is not necessary to wait for the end of the year to understand the tax burden, as the calculation is immediate at the time of salary issuance. It is highly recommended to consult the tax calculator to simulate the monthly net, taking into account the specificities of your contractual situation and the mentioned pension contributions.

Frequently Asked Questions

How is double taxation for border workers managed?: Earned income is taxed at source in Switzerland. To avoid double taxation, the taxpayer must declare income in Italy in the EC framework of form 730, requesting the tax credit for taxes already paid in Switzerland, in accordance with current legislation.
What are the contribution rates in Switzerland?: Contributions include AVS/AI/IPG at 5.3% at the employee's expense, unemployment insurance (AD/AC) at 1.1% (up to CHF 148,200), accident insurance (LAINF) between 0.7% and 1.5%, and occupational insurance (LPP) ranging from 7% to 18% based on age.
What changes with the new tax agreement from 2024?: The new agreement, in force from 1 January 2024, defines the rules for new frontier workers, introducing a deductible of 10,000 euros. Workers already active before 17 July 2023 benefit from a specific transitional regime until 2033.