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Questions regarding the "Personal data" form on taxx.lu.
Is it possible to make a common declaration with my husband/my wife on taxx.lu?
Yes, it is possible under certain conditions: to be married no later than December 31st of the tax year be in partnership (PACS) from January 1 to December 31 of the tax year. Simply indicate that you are married or in a partnership in the "Personal Data" form and fill in all your details and those of your spouse/partner.
When can a common declaration be made in case of a partnership?
The civil partnership must have existed for the entire tax year, i.e., from 1 January to 31 December.
Can I use taxx.lu as a self-employed person?
Yes, you can use taxx.lu as a self-employed person.