Luxembourg inheritance paperwork: identify the right declaration first

The deceased’s last domicile changes which official guidance to check

Luxembourg’s Guichet.lu page on a declaration of inheritance describes one filing category for heirs or universal legatees where the deceased’s last domicile was in Luxembourg. It separately describes a declaration concerning Luxembourg buildings owned by someone whose last domicile was outside the country. A family with an overseas residence connection should therefore record domicile and property location separately before asking which declaration applies.

The page also explains that the declaration describes estate assets and liabilities and can be relevant to determining inheritance taxes or duties on transfer of Luxembourg buildings. Those administrative and tax questions are not the same as deciding who inherits or whether a will is effective.

Questions to bring to an adviser

• Where was the deceased’s last domicile, and what records support that information?
• Does the estate include buildings in Luxembourg, property abroad or both?
• Is the immediate task a declaration, a succession question or a tax question?

Treat dates and document requirements as facts to verify

Guichet.lu’s English page describes a written declaration and different filing periods according to where the death occurred. It says the declaration has no set form if it contains the information required by law, and that an heir or legatee may contact the Registration Duties, Estates and VAT Authority or ask a notary for help. The page is marked last updated 6 November 2019, so verify current timing, paperwork and submission instructions with the authority before relying on it.

Keep a secure inventory of assets, liabilities, the death certificate, property records, the will and any correspondence. The government page notes that a notary’s assistance is not mandatory for preparing the declaration but is strongly recommended in complex successions; a qualified local professional can help identify which records and current process fit the situation.

Questions to bring to an adviser

• Has the current authority guidance been checked for the relevant date and location of death?
• Which records establish domicile, assets, liabilities and Luxembourg property?
• Is the succession complex enough to ask a Luxembourg notary for help?

Do not extend a declaration guide into a complete estate plan

This is a narrow Luxembourg starting point about the government’s inheritance-declaration page. It does not determine entitlement, succession shares, will formalities, acceptance or renunciation, foreign assets, tax liability or how another country’s rules interact with Luxembourg procedure. The applicable administrative path can depend on domicile, property location and other facts; the page itself is not a substitute for a current case-specific review.

This article has not been reviewed by a lawyer or human editor. Consult qualified local counsel in Luxembourg and, where relevant, counsel in the country of the deceased’s domicile or any other jurisdiction connected to the estate.

Questions to bring to an adviser

• Does the estate include foreign residence, foreign assets or a will made elsewhere?
• Have administration, inheritance rights and tax been treated as distinct questions?
• Who can verify the current Luxembourg requirements before any filing?

Official starting points

Check these sources for updates; their guidance may have changed since our last source check.

• Guichet.lu — Declaration of inheritance or transfer on death