Home » News » Overview of the Apostille Convention

Overview of the Apostille Convention

The Apostille Convention is one of the most important international agreements for people and businesses using documents abroad. Its full official name is the Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents.

In simple terms, the Convention replaced a long and complicated chain of embassy and consular legalisation with one certificate: the apostille.

Today, the Apostille Convention is used by more than 120 countries and territories. It helps millions of documents each year be recognised across borders more quickly, securely and efficiently.

What is the purpose of an apostille?

The purpose of an apostille is to simplify the authentication of public documents for use in another country.

Before the Apostille Convention, documents often had to pass through several authorities before they could be accepted overseas. This could include local certification, government authentication, embassy legalisation and sometimes further checks in the destination country.

The apostille replaced that process with a single formal certificate issued by a designated authority in the country where the document originates.

For UK documents, that authority is the Foreign, Commonwealth and Development Office, also known as the FCDO.

What does an apostille confirm?

An apostille confirms the authenticity of the document’s origin.

More specifically, it confirms:

  • the authenticity of the signature on the document

  • the capacity in which the person signed the document

  • the identity of the seal or stamp, where applicable

This means the apostille verifies that the document has been signed, sealed or certified by a recognised authority or professional.

What an apostille does not confirm

A common misunderstanding is that an apostille confirms the content of the document. It does not.

An apostille does not:

  • confirm that the content of the document is true

  • improve or change the legal effect of the document

  • guarantee that the receiving authority will accept the document for a specific purpose

  • assess whether the document meets local requirements

  • confirm the document’s evidential value

The apostille only authenticates the signature, seal or stamp. The receiving authority still decides whether the document is suitable for the intended use.

Does an apostille expire?

An apostille itself does not usually have an expiry date.

However, the receiving authority may still require the underlying document to be recent. For example, police certificates, Certificates of Good Standing, medical documents or corporate documents may need to have been issued within a specific period.

This is why it is always important to check the destination country’s requirements before arranging legalisation.

When does the Apostille Convention apply?

The Apostille Convention only applies where both countries are members of the Convention.

This means:

  • the country where the document was issued must be a Contracting Party

  • the country where the document will be used must also be a Contracting Party

  • the document must have been executed in the territory of a Contracting Party

  • the document must qualify as a public document under the law of the issuing country

If the destination country is not a member of the Hague Apostille Convention, embassy or consular legalisation may be required after the apostille.

Which documents can receive an apostille?

The Convention applies to public documents. What counts as a public document depends on the law of the country where the document was issued.

Common examples include:

  • court and tribunal documents

  • administrative documents

  • notarial acts

  • official certificates placed on private documents

  • birth, marriage and death certificates

  • company documents

  • education certificates

  • powers of attorney certified by a solicitor or notary

  • certified copies of passports or ID documents

  • police certificates and background checks

For private documents, such as letters, contracts or passport copies, a solicitor or Notary Public may need to certify the document first. The apostille then authenticates the solicitor’s or notary’s signature.

Which documents are excluded?

The Apostille Convention does not apply to every type of document.

It excludes:

  • documents executed by diplomatic or consular agents

  • certain administrative documents dealing directly with commercial or customs operations

In practice, if a document cannot be apostilled directly, it may need to be certified, notarised or processed through another legalisation route.

What must an apostille certificate include?

An apostille certificate follows a standard format.

It must include the title:

Apostille — Convention de La Haye du 5 octobre 1961

It must also contain 10 standard numbered items confirming key details about the document, the signer, the issuing authority and the apostille itself.

The apostille must be issued by a designated Competent Authority and must be attached to, or clearly associated with, the underlying public document.

How is an apostille obtained?

The process usually involves four main stages.

1. Preparing the document

The document must be in the correct format. Depending on the document type, it may need to be:

  • an original document

  • signed in wet ink

  • sealed or stamped by the issuing authority

  • certified by a solicitor

  • notarised by a Notary Public

Incorrectly prepared documents may be rejected.

2. Verification by the Competent Authority

The Competent Authority checks the origin of the document.

This usually involves verifying:

  • the signature

  • the capacity of the person who signed

  • the seal or stamp on the document

For UK apostilles, this verification is carried out by the FCDO.

3. Issuing the apostille

Once the document has been verified, the apostille certificate is issued and attached to the document.

This confirms that the document has been authenticated for international use.

4. Recording the apostille

The issuing authority records the apostille in a register.

The register usually includes:

  • the apostille number

  • the date of issue

  • the name of the person who signed the underlying document

  • the capacity in which that person acted

  • details of the authority or seal, where relevant

This allows the apostille to be checked later if required.

What is an e-Apostille?

The electronic Apostille Programme, known as the e-APP, was introduced to support digital legalisation and online verification.

It has two main components.

e-Apostilles

An e-Apostille is an apostille issued in electronic form with a digital signature.

It may be used for:

  • electronic documents

  • digitally issued certificates

  • scanned paper documents, where permitted

  • documents that can be verified securely online

An e-Apostille helps preserve the integrity and security of the legalised document.

e-Registers

An e-Register is an online register that allows recipients to verify an apostille.

This can help:

  • confirm that the apostille is genuine

  • reduce fraud

  • prevent unnecessary rejection of valid apostilles

  • make verification faster for overseas authorities

Many countries now use e-Registers to support document security and international recognition.

Can an apostille be rejected?

Countries that are party to the Apostille Convention should accept apostilles issued by other Contracting Parties.

However, rejection may be valid in limited circumstances, such as where:

  • the issuing country is not a party to the Convention

  • the document is not a public document of the issuing country

  • the apostille was issued by an authority without competence

  • the apostille is missing required standard information

  • the apostille has been detached from the document

  • the apostille has been forged or altered

These are legitimate reasons for refusal.

Invalid reasons for rejecting an apostille

An apostille should not usually be rejected because of minor formatting differences.

Invalid reasons for rejection may include:

  • differences in size, shape or layout

  • additional text outside the standard apostille fields

  • the apostille being issued electronically

  • the method used to attach the apostille

  • the language used on the apostille

  • the age of the apostille itself

However, the receiving authority may still apply its own rules to the underlying document, such as requiring it to be recently issued.

Why the Apostille Convention matters

The Apostille Convention makes international document use significantly easier.

Instead of passing through a lengthy chain of legalisation, eligible documents can be authenticated with one certificate and recognised in another Convention country.

This benefits:

  • individuals moving abroad

  • students applying to overseas universities

  • businesses expanding internationally

  • professionals registering overseas

  • families dealing with immigration or civil status matters

  • companies opening foreign bank accounts

  • applicants submitting documents to foreign authorities

The Convention saves time, reduces administrative complexity and provides a recognised framework for document authenticity.

Need help obtaining an apostille?

If you need to use a UK document abroad, our team can help prepare it correctly and arrange the appropriate legalisation route.

We assist with:

  • FCDO apostille services

  • solicitor certification

  • Notary Public certification

  • e-Apostilles where available

  • paper apostilles where required

  • embassy and consular legalisation for non-Hague countries

  • urgent document legalisation

Contact our team today to get your documents ready for international use.