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Nemzeti Akkreditáló Hatóság


Accreditation A-Z

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Conformity of an organisation or person with certain requirement(s) by an independent party. You can encounter this concept in a number of areas of life, therefore, we can talk about accreditation in diplomacy, higher education, health care, conformity assessment and other special areas.

Further details of the accreditation can be found HERE .

Conformity assessment

Procedure defined in Article 2 point 12 of Regulation No. 765/2008/EC of the European Parliament and the Council.

Accreditation of conformity assessment bodies

Accreditation is the official recognition by an independent third party (which, pursuant to Regulation 765/2008/EC can only be one accreditation body appointed in each EU Member State) of the ability of an organisation, natural person to perform certain activities (testing, calibration, sampling, certification, inspection, etc.) in accordance with specific requirements.

Accreditation categories

• Inspection body

• Eco-management and audit scheme verifier organisation or natural person (EMAS)

• Verifier organisation according to the Act on participation in the greenhouse gas emissions community scheme and effort sharing decision (EU ETS)

• Management systems certification bodies

• Proficiency test provider

• Calibration laboratory

• Sampling organisation

• Medical testing laboratories

• Reference material producer

• Persons certification body

• Product certification body

• Testing laboratory

Types of procedures

Accreditation procedure, extension, re-accreditation procedure, as well as surveillance procedure, extraordinary surveillance procedure.

Assessment Team

Expert(s), assessor(s), lead assessor(s) appointed for the assessment phase of the accreditation and surveillance procedure.

Accreditation Board

It is a body of maximum 22 persons responsible for submitting proposals on the basis of which decisions are made by the Authority in the 2nd phase of the NAH procedures.

List of members of the Accreditation Committee is available HERE.

Database of accredited conformity assessment organisations

You can find the database here: -> EN -> „Accredited organisations” menu -> „Search”

Site visit

Site assessment performed at the site or sites of the applicant or accredited organisation.

Assessment phase

First phase of the accreditation and surveillance procedure which is performed by the involvement of an assessment team.

Decision-making phase

Second phase of the accreditation and surveillance procedure in which the Accreditation Committee is active.


Decision by the authority issued to the Applicant/the Accredited Party as a result of the second phase of the procedure.

Detailed scope of accreditation

The detailed part determining the technical field for which accreditation is granted, which is part of the decision.

The Accreditation Certificate

Certificate regularly used and issued by the National Accreditation Authority (NAH) following the entry into force of the decision on granting the accredited status.

Procedure fee

Administrative service fees payable for the procedures performed by the National Accreditation Authority (NAH) are regulated in Decree No. 45/2015. (XII. 30.) by the Minister of National Economy (NGM). (XII. 30.)


NAH rules of preocedures in the National Accreditation System.


Forms applied in the National Accreditation Scheme.


Organisations concerned with European regional (EA - European co-operation for Accreditation) and international (ILAC - International Laboratory Accreditation Cooperation, IAF - International Accreditation Forum, FALB - Forum of Accreditation and Licensing Bodies) mutual recognition cooperation.