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Why does my wife/husband/life partner have to sign the income tax return as well?

By submitting a joint income tax return and signing it, both spouses/life partners declare their consent to joint assessment. Therefore, the joint tax return must be signed by both spouses/life partners even if only one spouse/life partner has earned income.

By signing in person, you assume responsibility for the information provided in the tax return. In the case of a joint income tax return of spouses/life partners, you are only responsible for the details that concern yourself or the spouses/life partners jointly. You are not responsible for information that only concerns the other spouse/life partner.

 

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