Receipt and content of the tax assessment

• How long does it take to receive my tax assessment and refund?

  Find out when you'll receive the tax statement for your return in Luxembourg with our helpful guide.Popular

• What does the tax authority's tax statement look like?

  See what the tax authority's tax statement looks like in Luxembourg with our detailed example.Some readers

• How can I receive my tax assessment electronically?

  Find out how to receive your tax assessment electronically in Luxembourg with our easy-to-follow instructions.Few readers

• When will I receive my tax assessment and statement?

  Unfortunately, there is no fixed deadline. By law, the tax authorities have 5 years in which to check your tax return and issue a tax assessment. This means that a notice may be issued quickly or may take longer, depending on the complexity of the case, the administration's workload or other factors. However, you can contact your tax office if you would like more precise information about your situation.Few readers

Tax payments and advances

• What penalty interest is applied on late payment?

  Learn about the penalty interest applied for late payments in Luxembourg with our informative guide.Some readers

• What are tax advances?

  Tax advances are quarterly advances that can be requested by Tax Authorities. If you are in this situation, enter the annual amount in field "I paid tax advances" in the "Other" Form. Most people do not have to pay tax advances, so if this is your situation, leave the box blank. This is NOT the amount of tax withheld on your salary certificate!Some readers

• How do quarterly advances work?

  The quarterly advance tax payments work as follows: If a mandatory declaration leads to an adjustment of taxes for the previous year, the tax authority may require the taxpayer to make quarterly advance payments throughout the current year. These payments are due on March 10th, June 10th, September 10th, and December 10th, and represent one quarter of the previous year's tax adjustment. During a first tax adjustment, the taxpayer must pay the tax for the previous year as wFew readers

• How long do I have to pay my tax debt once I have received the tax assessment?

  You have one month from receipt of your tax assessment and statement to pay the amount due. Interest may be charged on late payment after this deadline.Few readers

Correction of the tax assessment

• What should I do if the result on taxx.lu differs from the tax statement received by Tax Authorities?

  If you have chosen our "Plus" or "Premium" packages, our services include verification of your tax assessment. To do this, please contact us by e-mail at help@taxx.lu and send us your tax statement in full. If you have chosen our "Standard" package, you have the option of upgrading to the "Plus" package so that our team can carry out a full verification of your tax return and tax assessment. What does the tax authority's tax statement look like? (/en/article/what-does-the-tax-authoritys-taxSome readers

• What is the deadline for requesting a correction to the tax assessment ?

  Discover the deadline for requesting a correction to your tax assessment in Luxembourg with our clear guide.Few readers

• I used the MyGuichet assistant to make my declaration and received a statement. Can you check that everything is correct?

  Yes, absolutely! When you use the MyGuichet assistant, your tax return is processed fully automatically. Their system generates a statement and a tax notice without any tax officials checking your information or the attachments. ⚠️ Important: The tax authorities reserve a period of 5 years to check your return at a later date. If any errors or omissions are detected, they may send you a new final statement, with adjustments (tax refund or supplement). This means that if you have forgoFew readers