Luxembourg | NeoTax

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Certificat de salaire and other documents

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FAQ

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What is the deadline for filing the tax return in Luxembourg for the year 2023?

The deadline for filing the tax return for the previous calendar year is 31st of December. The deadline for the year 2023 is 31st of December, 2024.

What documents can you obtain from Luxembourg?

We are able to help you obtain these documents from Luxembourg:

Certificat de salaire: certificate of taxable incomes,
U1: it proves the entitlement to unemployment benefits after your return from abroad,
S1: it entitles the taxpayer to use the full health care in the home country while working in different country in the EU.

In addition, we can help you obtain an EWR form to give you unlimited taxpayer status. This will enable you to claim a refund and qualify for various other tax reliefs.

What is Certificat de salaire form and how could I get it?

The Certificat de salaire is a form that every employer must give to their employees at the end of the year. It is a certificate of the employee's annual income and the taxes withheld from each month's wages for the previous calendar year.

To obtain a Certificat de salaire form, contact your employer and ask them to issue the form. If you had more than one employer, you will need a Certificat de salaire form from each of them.

What are the needed documents to get the U1 form from Luxembourg?

To obtain a U1 form, you will need the following documents:

Power of Attorney (obtained from us),
payslips or an annual income certificate Certificat de salaire,
all employment contracts for the given period,
all employment termination certificates for the given period,
other documents.

It always depends on your situation. We will be happy to obtain the U1 form for you. Read how the service works or fill in the order form straight away.

How many years back can I claim taxes from Luxembourg?

You can claim your tax refund from Luxembourg up to 1 year back.

In 2024, you can only file a tax return / claim a refund for the tax year 2023.

What if I do not file the Luxembourg tax return in the given deadline? Is there a penalty?

Late filing of your tax return can result in a penalty in the form of a 10% tax increase. In addition, you can be fined between €25 and €250.

Failure to file a tax return may result in automatic taxation based on an estimate of your income.

What should I do if I receive a letter from the Luxembourg tax office fining me for failing to file a return? Does it result in me paying the fine?

No, you must file a tax return in addition to paying the fine.

What are the needed documents to file the tax return in Luxembourg?

To file the tax return you will need these documents:

a confirmation of taxable incomes (Certificat de salaire) from each employer,
EWR, which documents local income from your home country,
ID card / passport,
marriage certificate or birth certificate of the child, if any.

What is Certificat de salaire form?

When will I receive the tax refund from Luxembourg?

The tax office will process the tax return and then pay the overpayment. The whole process takes on average 2 ‑ 12 months from the time the tax return is filed.

Can spouses file a joint tax return in Luxembourg?

Yes, spouses can file a joint tax return and get a possible higher refund. This is only worthwhile if the spouse's net income is less than €13 000.

By what date do I have to pay the income tax that came out on my tax return from Luxembourg?

After filing your tax return, the tax office will send you a tax assessment stating the amount of tax and the due date.

What is tax class in the Luxembourg?

Individuals in Luxembourg are assigned a tax class. There are 3 tax classes:

Class 1 for single persons,
Class 1a for single persons with a child and for single persons who have reached the age of 65 till the 1st of January,
Class 2 for married persons and persons in a registered partnership (subject to certain conditions).

Married persons who are non‑resident and does not live separetely are in Class 1. If certain conditions are met, they can apply to benefit as tax residents and be placed in Class 2 (generally the tax class for residents and unseperated married couples). In this case, they must then file a joint tax return.

What is an identification number / file number (Numéro de dossier)?

Identification number / file number (Numéro de dossier or Matricule) is an 11‑digit number, which is issued to Luxembourg taxpayers. The number is included in the letters you will receive from the Luxembourg tax office when you have to file your tax return. Keep this number carefully as you will need it to file your tax return.

Do I have to file the tax return in Luxembourg or is it voluntary?

The obligation to file a return in Luxembourg depends on several factors. In certain cases, you are obliged to file a tax return, for example if you have income from more than one job or if you run a business in Luxembourg.

There are also specific situations where filing voluntarily may be worthwhile, for example, to obtain tax overpayment thanks to tax credits and deductions.

What is the U1 form and what is it used for?

PD U1 form (Confirmation of periods to be taken into account for unemployment benefits) is a confirmation of employment abroad during which your employer paid unemployment insurance contributions on your behalf.

The form is issued by the foreign employment office after the employment termination and is submitted to the employment office in your home country or the country where you are claiming unemployment benefits.

You will need to present this document when you return from abroad to your home country or another EU country to claim unemployment benefits.

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Our blog

19th Aug 2024

Tax returns and refunds from the Netherlands

Useful information

25th Jul 2024

EU Form E 104

Have you worked, or are you still working, in an EU country but plan to return to your home country? You will need an E 104 form when you return from abroad.

Work in EU

15th Jul 2024

Form PD U1 (E 301) - Confirmation of time periods to be taken into account for the award of unemployment benefits

What is the PD U1 (E 301) form, what is it for and how to get it?

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Our services in Luxembourg

Tax return with a specialist

Consultation and guidance

Replacing documents

Pricelist

We tailor our services to fit your specific needs

Customer support

Online tax filling

Tax specialits

Personal account

FAQ

What is the deadline for filing the tax return in Luxembourg for the year 2023?

What documents can you obtain from Luxembourg?

What is Certificat de salaire form and how could I get it?

What are the needed documents to get the U1 form from Luxembourg?

How many years back can I claim taxes from Luxembourg?

What if I do not file the Luxembourg tax return in the given deadline? Is there a penalty?

What should I do if I receive a letter from the Luxembourg tax office fining me for failing to file a return? Does it result in me paying the fine?

What are the needed documents to file the tax return in Luxembourg?

What is Certificat de salaire form?

When will I receive the tax refund from Luxembourg?

Can spouses file a joint tax return in Luxembourg?

By what date do I have to pay the income tax that came out on my tax return from Luxembourg?

What is tax class in the Luxembourg?

What is an identification number / file number (Numéro de dossier)?

Do I have to file the tax return in Luxembourg or is it voluntary?

What is the U1 form and what is it used for?

What our clients say about us

Get in touch with us

Our blog

EU Form E 104

Form PD U1 (E 301) - Confirmation of time periods to be taken into account for the award of unemployment benefits

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