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How do I submit the salary statement (ECSP) to the tax authorities?

Please note that you can download the required XML file format by clicking on the three dots button on the "Documents" page on Salary.lu. This file does not need to be opened, but can be used to make the declaration via MyGuichet in less than 2 minutes by simply following these few steps.

Log in to your business account on MyGuichet
Click on the blue button "Go to services"
Click on the upload box on the right
Select the XML file on your device
Follow the prompts to complete the procedure
Sign the procedure using a Luxtrust authentication method
Click the "Send" button to transmit the procedure to the tax office

Updated on: 15/01/2026

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