Complete GuideFamily Law

Handling a Portuguese Inheritance From Abroad: Power of Attorney, NIFs and Representation

9 min readUpdated September 2026
Lisbon office view with a globe and family photograph, illustrating a Portuguese inheritance handled from abroad.
Contents

If you have inherited assets in Portugal but live in another country, you do not normally need to move to Portugal or personally attend every stage of the inheritance process.

A substantial part of the Portuguese side can be organised remotely. The key is to identify who is legally acting for the estate, build the right document file, obtain the tax numbers needed for the Portuguese procedures and give the representative the exact powers required for the acts that must be completed.

Remote handling is not the same as using one generic power of attorney for everything. An inheritance can involve civil registry, tax, banking, property and company steps, and each institution can require different evidence and different powers.

Start with the Portuguese side of the estate

Before deciding what must be done from abroad, establish what actually exists in Portugal.

The Portuguese file can involve:

  • real estate
  • bank accounts
  • investments
  • shares or quotas in Portuguese companies
  • vehicles
  • debts owed to or by the deceased
  • contracts
  • tax obligations
  • Portuguese civil or registry records

If the Portuguese assets are not yet known, the first task is estate investigation. If the assets are already identified, the next question is who can formally act and what documents that person needs.

Who represents the estate in Portugal?

Portuguese succession procedure gives an important role to the cabeça-de-casal, the person responsible for administering the inheritance while it remains undivided.

The cabeça-de-casal is not simply "the heir who wants to deal with the paperwork". Portuguese law determines who holds that position, although the exact position can also be affected by the will and the family structure.

For the habilitação de herdeiros procedure, the application can be promoted by:

  • the cabeça-de-casal
  • the legal representative of the cabeça-de-casal
  • a mandatário acting for the cabeça-de-casal

That matters for an international family because it means the person responsible for the estate does not automatically have to travel to Portugal simply to start every succession step.

What can be handled through a power of attorney?

A properly drafted Portuguese power of attorney can be used to authorise a lawyer or another representative to carry out specified acts in Portugal.

Depending on the estate, those powers can include dealing with:

  • civil registry procedures
  • habilitação de herdeiros
  • the Portuguese Tax Authority
  • property registries
  • commercial registries
  • banks
  • estate documentation
  • registration of inherited assets
  • later property or company transactions

The wording matters.

A power that is sufficient to request a certificate is not necessarily sufficient to sign a property sale. A power used for a bank is not automatically accepted for a corporate act. Some transactions require express and specific authority.

The correct approach is therefore:

  • 1. identify the acts that will be required
  • 2. identify the institutions involved
  • 3. draft the powers around those acts
  • 4. sign the document in the correct form
  • 5. complete any authentication, apostille, legalisation or translation required for use in Portugal

Do this before signing, not after a foreign document has already been rejected.

If you sign the power of attorney outside Portugal

A power of attorney can be prepared for signature abroad.

The signing route depends on:

  • the country where you sign
  • the form of the power
  • the act the representative will perform
  • the institution receiving it in Portugal

For some documents, the foreign signature or public document must go through an apostille or another legalisation route. A Portuguese translation can also be required.

There is no advantage in overcomplicating this. The practical question is simply: what form will the Portuguese recipient accept for this exact act?

Do foreign heirs need a Portuguese NIF?

Often, yes.

Portuguese succession and tax procedures identify the heirs by their Portuguese tax numbers. The official inheritance and Stamp Duty workflow asks for the NIF of the deceased and of the heirs, and inheritance registration procedures also use the heirs' taxpayer numbers.

This is different from the NIF of the estate itself.

Personal NIF

Each heir can need an individual Portuguese NIF so that they can be identified in Portuguese tax, registry and transaction records.

NIF da Herança Indivisa

While an estate remains undivided, it can also require its own NIF as a Herança Indivisa.

The Portuguese Tax Authority currently allows the cabeça-de-casal to request this estate NIF through the Portal das Finanças. If the cabeça-de-casal is non-resident and acts through a fiscal representative, the representative has a dedicated e-balcão route for the request.

The estate NIF does not replace the heirs' personal NIFs. They identify different legal and tax positions.

Do not miss the Portuguese tax deadline because you live abroad

If the deceased left assets that must be reported in Portugal, the death and the Stamp Duty participation generally have to be submitted by the end of the third month following the month of death.

For example, a death in March produces a reporting deadline at the end of June.

This filing obligation can exist even where the heirs are exempt from actually paying Stamp Duty.

Living abroad does not suspend the Portuguese deadline.

This is one reason to organise representation early rather than waiting until every foreign succession document has been collected.

What documents usually have to be coordinated?

The exact file depends on the succession, but an international Portuguese inheritance often requires some combination of:

  • death certificate
  • passport or identity documents
  • NIF details
  • marriage or birth certificates proving family relationships
  • will, if one exists
  • evidence identifying the heirs
  • evidence of the law governing the succession where foreign law applies
  • information about Portuguese assets
  • powers of attorney
  • tax forms
  • bank, property or company records

Where a certificate comes from another country, the Portuguese procedure can require a translation. Authentication requirements depend on the issuing country and the specific use of the document.

Do not build the file on the assumption that every foreign document works in Portugal in the form in which it was issued.

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What if the inheritance involves more than one EU country?

For a qualifying cross-border EU succession, the European Certificate of Succession can be useful.

It is designed to allow heirs, legatees, executors and estate administrators to prove their status or powers in another participating EU country.

It is not a compulsory replacement for every Portuguese inheritance document, and it does not mean that every Portuguese registry, tax or asset-transfer step disappears.

Its value is more specific: it can provide a standard cross-border way to prove the relevant succession status or authority.

A practical remote inheritance sequence

A well-organised international estate will usually be easier to manage in this order.

1. Identify the Portuguese connection

Confirm the known assets, institutions and procedures in Portugal.

2. Establish who can act

Identify the cabeça-de-casal and the heirs, and determine whether a Portuguese habilitação or other succession evidence is required.

3. Build the foreign document chain

Collect the death, family, will and applicable-law documents and prepare them for Portuguese use.

4. Obtain the necessary NIFs

Separate the heirs' personal NIF requirements from the NIF of the Herança Indivisa.

5. Put representation in place

Draft the power of attorney around the real acts to be completed.

6. Deal with Portuguese tax reporting

Do not wait for a future sale or partition before checking the death and Stamp Duty filing obligations.

7. Deal with each asset class

Banks, property registries and companies can each require a different proof package.

8. Decide what happens next

Once the estate is documented, the heirs can deal with later steps such as registration, retention, sale or another transaction.

Common mistakes when heirs live abroad

Using a generic power of attorney

A broad document that does not expressly cover the required act can fail at the moment it is needed.

Confusing the estate NIF with the heir's NIF

They are separate identifiers.

Waiting for a property sale before dealing with the inheritance

The tax and succession file normally begins earlier.

Sending foreign documents directly to Portugal without checking their form

Translation and authentication problems can delay the entire file.

Assuming all heirs must travel together

Many steps can be structured through representation.

Assuming nothing ever requires personal involvement

That is the opposite mistake. The right answer depends on the exact act, institution and document form.

Frequently asked questions

Can I complete a Portuguese inheritance without travelling to Portugal?

Many stages can be handled through an authorised representative. Whether every stage can be completed remotely depends on the acts involved and the form of authority required for them.

Can my Portuguese lawyer obtain the habilitação for me?

The habilitação procedure can be promoted by the cabeça-de-casal, their legal representative or a mandatário. The representative still needs the required succession evidence and authority.

Do all heirs need a NIF?

Portuguese inheritance tax and registration procedures use the heirs' NIFs. In an estate with several heirs, individual Portuguese tax identification should therefore be checked early.

Is the NIF da Herança Indivisa the same thing?

No. It identifies the undivided estate. It does not replace the personal NIF of an heir.

Can I sign the power of attorney in my home country?

Yes, a power can be prepared for foreign signature. The required signing, authentication and translation route depends on the country and the act for which the power will be used.

Do I need a European Certificate of Succession?

Not in every case. It can be useful in qualifying cross-border EU estates where succession status or authority has to be proved across participating Member States.

Need to handle a Portuguese inheritance from abroad?

Send us the basic facts: where the deceased lived, where the heirs live, what Portuguese assets are known and whether a will exists.

Our legal team can identify the Portuguese procedures, prepare the required powers and documents, and coordinate the Portuguese side of the estate without unnecessary travel.

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