Where do I indicate my interest bonus?
If you have received an interest bonus from your employer, here's how and where to report it:
Salaries
Please enter the interest subsidy in the Salaries > Exemptions > Interest bonuses category.
Main residence
The interest subsidy should also be entered in the Main residence category, when you enter your mortgage details:
The interest bonus must be in relation to your main residence to be tax deductible in Luxembourg.
Updated on: 10/07/2025
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