What does the Hague Convention change?
The treaty’s formal name is the “Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents”. It replaces the longer diplomatic or consular legalisation chain with one standard certificate, the apostille, when a public document from one Contracting State is to be produced in another Contracting State.
“Legalisation” has a narrow meaning in the Convention. It is the formality by which diplomatic or consular agents certify the authenticity of the signature, the capacity in which the signer acted and, where appropriate, the identity of the seal or stamp. The Convention does not harmonise the substantive law of the States and does not require every authority to accept every document merely because it bears an apostille.
An apostille simplifies authentication of origin, but it does not alter the content, age or legal effect of the underlying document. The receiving authority still decides whether the document is suitable for the particular procedure, sufficiently recent, and accompanied by any required translation, certified copy or formality outside the Convention.
When does the Convention operate between two States?
The basic case concerns a public document executed in the territory of one Contracting State and intended for production in the territory of another. It is not enough for both States simply to appear on a general list. The entry-into-force dates, any objection to an accession and the territorial scope must also be considered, especially where the Convention extends to only some dependent territories.
Bulgaria deposited its instrument of accession on 1 August 2000 and the Convention entered into force for Bulgaria on 29 April 2001. The current position of each Contracting Party and the relationships between States are maintained in the official HCCH status table. This dynamic source is more reliable than a static country list that may become outdated after a new accession, objection or territorial declaration.
Even where the Convention applies, domestic law, a European instrument, a bilateral agreement or established practice may remove or further simplify the formality. The apostille is therefore the maximum authentication ordinarily permitted within the Convention’s scope, but it is not compulsory in every exchange between two Contracting States.
Which instruments count as public documents?
Article 1 covers documents emanating from an authority or official connected with courts or tribunals; administrative documents; notarial acts; and official certificates placed on documents signed by private persons. The final group includes official certifications of a signature, date or registration, without automatically turning the private text itself into a public instrument.
In practice, the scope may include civil-status records, court certificates and judgments, administrative certificates, diplomas and other educational records, notarial acts and notarial authentications. The precise classification comes from the law of the State of origin and the status of the issuer, rather than solely from the title printed on the document.
Two documents with similar subject matter can belong to different competent authorities. An original, an official copy, a notarised copy and a private document bearing a notarial authentication are different instruments. Their origin determines which authority may issue the apostille and which prior certifications, if any, are acceptable.
Which documents and situations remain outside the system?
The Convention excludes documents executed by diplomatic or consular agents and administrative documents dealing directly with commercial or customs operations. The second exclusion does not automatically cover every company document; its legal nature, issuer and direct connection with the commercial or customs transaction are decisive.
A private contract, declaration or power of attorney does not receive an apostille merely because it will be used abroad. The public element may instead be the notarial authentication of the signature or content, and the apostille may relate to that authentication. Where no public instrument exists, the Convention does not create one.
The system also does not operate where the Convention is not in force between the State of origin and the State of destination. Diplomatic or consular legalisation, another treaty regime or an exemption from formalities may then apply. Translation, recognition of qualifications, registration and proof of substantive law are separate processes not fully governed by an apostille.
What does an apostille certify under the Convention?
Articles 3–5 define the apostille as the only formality that may ordinarily be required within the applicable system. It certifies the authenticity of the signature, the capacity in which the signer acted and, where appropriate, the identity of the seal or stamp. It does not certify that the facts stated in the document are true, that the signer had powers beyond the stated capacity, or that the document’s content is lawful.
The certificate is placed on the document or on an attached allonge and follows a standard form with ten numbered fields. It may be completed in the issuing authority’s official language, but the heading “Apostille (Convention de La Haye du 5 octobre 1961)” remains in French. The common form makes the certificate recognisable and verifiable independently of the language used in the remaining fields.
The signature, seal or stamp on the apostille itself is exempt from further certification. This ends the chain of consecutive diplomatic authentications, but it does not remove verification in the issuing authority’s register or the receiving authority’s assessment of the underlying document.
How are Bulgaria’s competent authorities divided?
Each Contracting State designates its authorities under Article 6. In Bulgaria, competence is divided by the origin of the instrument: the Ministry of Justice covers acts of courts and notaries; the National Centre for Information and Documentation covers specified educational and certification documents; the regional administrations cover documents issued by mayors and municipal administrations; and the Ministry of Foreign Affairs covers other instruments within its competence.
The allocation is recorded in the current HCCH profile of Bulgaria’s competent authorities. It also provides links to national registers. The document type and exact issuer matter more than a broad topic label: a court certificate, university diploma, municipal record and central-government document follow different institutional routes.
The Ministry of Justice register, the NACID system, the regional administrations’ register and the Ministry of Foreign Affairs services cover apostilles issued within their respective fields. An apostille from another State is verified through the authority designated by its State of origin.
How are applicability and authenticity checked?
Applicability combines several distinct facts: the State and territory of execution, the State and authority of destination, the nature of the instrument, the date on which the Convention took effect between the two States and the existence of a simpler regime. No single element provides a dependable answer for the entire document process. Documents bearing similar titles can therefore follow different routes when they were issued by different bodies, intended for different territories or requested in different evidential forms.
The authenticity of an apostille already issued is a separate question. Its number, date, issuing authority and signature or seal details are compared with the competent authority’s register. An electronic apostille contains an electronic signature and may allow integrity checking of the linked electronic document; a scanned image of a paper apostille does not automatically acquire the same properties.
The receiving institution assesses the underlying document independently of a successful apostille check. It may require a recent issue date, a particular form of original or certified copy, translation into a specified language and certification of the translation. None of those requirements turns the apostille into a certificate of content or expands the Convention’s scope.
Where do translation and legalisation services fit?
The Convention governs authentication of origin, not translation. The apostille and the underlying instrument are commonly translated together where the recipient works in another language. The sequence of apostille, translation and certification of the translation depends on the document’s origin and on the requirements of the State and institution where it will be produced. The recipient also determines whether the translation must cover attached certificates, stamps, marginal notes and the apostille’s numbered fields.
La Fit Trans organises translation and related certifications as separate, traceable stages. The service is defined by the actual issuer, State of origin, State of destination, document medium and the form requested by the recipient. This keeps the apostille from being presented as a universal answer where an exemption or a different legalisation route applies.
The official text of the Convention, the status table and the competent-authority profiles remain the primary sources for the legal system. This page explains the practical relationship between those sources, the public document, the apostille and the translation without replacing a decision of the competent authority or a requirement imposed by the recipient.

