Change of address and situation

Birth of a child resident in Luxembourg

If I live in Luxembourg and my child is born in Luxembourg, I must register the birth with the local authority of the place of birth.

The local authority will then register my child in the National Register of Natural Persons (RNPP) and request the creation of a 13-digit national identification number.

As the data held by the National Health Fund (Caisse nationale de santé, CNS) is based on that held by the RNPP, my child is automatically included in the CNS system after this registration.

In this case, I do not normally need to take any further action or send a birth certificate.

In general, my resident child is automatically co-insured, without any action on my part.

A social security card, bearing the national identification number, is sent to the address registered for my child.

In rare cases (e.g. in the event of an error or omission during registration by the municipality) the sending of the card may be delayed.

If I have not received the social security card within approximately 3 to 4 weeks after the birth, I contact the CNS to check that my child's file is complete and correctly registered.

For more information on insurance for my family members and the various possible situations, I consult the page ‘Insuring family members’.

Declaration of marriage or divorce for residents

If I get married or divorced and I live in Luxembourg, I must declare the event to my local municipality.

The municipality will then record the change in the National Register of Natural Persons (RNPP).

The National Health Fund (CNS) is normally automatically informed of this registration. No further action is required on my part.

Marriage and co-insurance

Co-insurance for a spouse is never automatic. If I want my spouse to be co-insured, I must explicitly request this from the CNS. For more information about insurance for family members, see the page ‘Insuring family members’.

Divorce

After a divorce in Luxembourg, the CNS is normally informed of the change in circumstances via the RNPP, following registration of the divorce by the local municipality. As a rule, I do not need to submit a declaration.

However, I must contact the CNS for the following changes:

• to dissolve any co-insurance of a spouse or partner,
• to change the co-insurance of children,
• to change the account for reimbursements.

I must carry out these steps myself in order to avoid any problems with future reimbursements.

Checking my details following marriage or divorce

I ensure that my personal details and those of my family members are up to date with the CNS.

Bank details require particular attention, as an incorrect bank account number can cause problems with reimbursements. The CNS is not notified when a bank account is closed, for example. I can update my bank details here.

If I have any doubts about the status of my file, I can send an email or call the CNS to check that everything is correct.

Declaration to the competent municipality

The death of a person residing in the Grand Duchy of Luxembourg is normally automatically recorded in the National Register of Natural Persons (RNPP) by the competent municipality, following the declaration of said death.

What changes after a death

It is important for co-insured family members to know that co-insurance automatically ends with the death of the main insured person.

It does not automatically continue:

• for the surviving spouse
• or for children who were co-insured

The insurance situation of family members must therefore be reassessed.

Measures to be taken by co-insured family members to remain covered

Pending examination of a possible survival pension by the National Pension Insurance Office (CNAP) or the competent foreign pension fund, transitional measures may be necessary to avoid any interruption of rights.

These steps must be actively pursued, in particular:

• for the surviving spouse, if they are not in employment and do not have their own pension;
• for children (under 18 or up to 27 if in education), if the deceased insured person was their main insured person.

Affiliation and reimbursements for children

After a death, the affiliation of children may be modified, particularly in the event of the award of a survival pension (orphan's pension).

In this case, children are affiliated in their own right and are no longer co-insured with the surviving parent.

This situation may have consequences for the reimbursement of expenses incurred by the parent.

More information can be found on our page ‘Insuring family members’.

Bank details: important point to note

The CNS is not automatically informed when a bank account is closed following a death.

It is therefore important to check and, if necessary, update the bank details in the file of the surviving beneficiary of the benefits (surviving spouse or child).

Failing this, refunds may be paid into a closed account.

To update your bank details, see the form here.

For more information on funeral allowance or the steps to take as a family member, see the page Death and funeral costs.