1.    Declarations of arrival and registration

Two declarations are required for stays of more than 90 days in Luxembourg:

·      The , to be made within 8 days. All you need to do is go to your new local authority/commune with an identity document and your family documents (family record book, marriage certificate, etc.), if applicable. Remember to ask for a certificate of residence, as this will be useful for other administrative procedures.

·      The declaration of registration must be made within 3 months of your move. This is also done at the local authority (and can be done at the same time as the declaration of arrival). In addition to your identity and family documents, you will also need to present your employment contract. Keep the certificate of registration that you will be given, as you may be asked for it when you open a bank account, for example.

2.    Registering for social security

You may not have to do anything, because as a rule, your employer is responsible for registering with the CNS (Caisse Nationale de Santé).

It is possible to add your children and your spouse to your health insurance. This is done by .

The CNS (Caisse Nationale de Santé) is responsible for reimbursing medical costs: up to 88% of the costs for adults and 100% of the costs for children and under-18s.

3.    Tax declaration

For this, you don’t have to do anything. The Centre Commun de la Sécurité Sociale (CCSS) notifies the tax authorities of your arrival in the Grand Duchy. The CCSS will send you your tax deduction form within 30 days of your registration.

This form should be given to your employer to enable them to calculate the taxable amount of your income, which will be deducted directly from your salary.

are not always compulsory. However, it is in your interest to file one. Indeed, interest on a mortgage, household help, and many other tax-deductible costs will not be included without your involvement.

4.    Your marriage and your children

The recognition of your marriage allows you to benefit from tax advantages and additional guarantees for social security, inheritance and the filiation of children.

Both spouses must go to the civil registrar in their new commune with their passports and marriage certificate.

If you have children, you will soon become familiar with the Caisse pour l’Avenir des Enfants (CAE), which provides for families: family allowances, back-to-school allowances and birth allowances.

5.    Open a bank account

To collect your salary and pay your rent, it is recommended that you open a bank account. 

The bank will ask for:

·      Your passport or identity card

·      Your certificate of residence

·      Proof of address (rental agreement, energy bill, etc.)

·      A salary slip or employment contract

·      Your tax identification number (to be found on the social security card)

6.    Mandatory and recommended insurance

When you arrive, you have six months to register your vehicle while you find your feet with your move.

Only car or motorcycle is compulsory in Luxembourg. This does not mean that other insurance policies are not important.

Taking out is therefore strongly recommended. This will enable you to obtain better reimbursements for hospitalisation costs or glasses, for example.

Whether you are a landlord or a tenant, / renters insurance is not compulsory either, but is usually required in the rental agreement. In fact, these insurance policies are essential as they protect you against damage (water damage, fire, etc.) and cover your property.

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