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Two-minute brief

ISO/IEC 17020 requirements explained: video brief

A two-minute brief on ISO/IEC 17020:2026 and what it asks of a body performing inspection.

  • Two-minute brief
  • 2 min

Key takeaways

  • ISO/IEC 17020 uses clauses 4 to 8 with annexes on independence and reports.
  • Impartiality risks are tracked in a register with actions and review dates.
  • Clause 5 requires the body to declare its level of independence.
  • Clause 7 covers methods, records, reports, complaints and appeals.
  • ISO/IEC 17020:2026 replaced the 2012 edition.

Five clauses and two annexes

ISO/IEC 17020:2026 is organised in five requirement clauses, 4 to 8, followed by a normative Annex A on independence and an informative Annex B on optional elements of inspection reports and certificates. Clauses 4 to 7 concern the body and its inspection work; clause 8 is the management system behind them. This short film walks through that structure.

Clause 4 asks the body to operate impartially, to identify risks to impartiality on an ongoing basis and show how each is eliminated or minimised, and to keep information obtained during inspection confidential. The evidence is a top-management commitment to impartiality, a risk register covering ownership, commercial pressure, other services and personal relationships, with actions and review dates, and confidentiality undertakings from everyone who sees client information. Clause 5 sets the structural requirements, including the declaration of the body's level of independence.

Resources, process and management system

Clause 6 covers resources: competent and authorised inspectors, facilities and equipment, and subcontracting. Clause 7 covers the inspection process itself: methods and procedures, handling of inspection items and samples, inspection records, inspection reports and certificates, and the handling of complaints and appeals. Clause 8 sets out the management system that keeps it running, and Annex A explains the independence requirements in detail.

The standard applies to any body that performs inspection, whether inspection is its business or a function inside a larger organisation: independent inspection agencies, third-party inspectors in oil and gas and construction, lifting and pressure equipment inspectors, and vehicle, vessel and cargo inspectors among them. ISO/IEC 17020:2026, published on 27 March 2026, replaces the 2012 edition. Accreditation is granted by an accreditation body for a defined scope of inspection, with inspections witnessed, and maintained through surveillance and reassessment.

Under the 2026 edition, inspection bodies are categorised as Type A or Type non-A by their level of independence, replacing Types A, B and C, and impartiality applies equally to both. Assessors witness inspections from the scope on site, compare what they see with the procedure and check that the report matches the records.

ISO/IEC 17020 at a glance

Purpose
Competence, impartiality and consistent operation of bodies that inspect products, installations, plants, processes or services
Relevant to
Third-party inspection agencies and the inspection departments of manufacturers, operators and utilities, of any size
Edition
ISO/IEC 17020:2026, the third edition, published 27 March 2026, replacing the 2012 edition; a three-year transition to 27 March 2029 is expected, subject to your accreditation body's confirmation
Accreditation
Assessed and granted by an accreditation body for a defined scope of inspection, with inspections witnessed, then surveillance and reassessment
Sterling's role
Consulting with your team, Effivity, training, internal audit and assessment readiness, then Sustain™
Cost and timing
Total investment for an ISO/IEC 17020 inspection body management system depends on the current maturity of your processes, the scope, locations and number of employees. The process typically takes 5 to 10 months

ISO/IEC 17020: the complete guide →

ISO/IEC 17020: questions people ask

Is ISO/IEC 17020 a certification or an accreditation?

An accreditation. An accreditation body assesses competence, impartiality and consistent operation for a defined scope, witnesses inspections and, if satisfied, grants and publishes the scope. Certification bodies certify management systems; they do not accredit inspection bodies, and a "17020 certificate" from one is not accreditation.

What are Type A and Type non-A inspection bodies, and what happened to Type B and Type C?

The 2026 edition categorises inspection bodies as Type A or Type non-A by their level of independence, replacing Type A, B and C; the requirements sit in clause 5.1 and the normative Annex A, and impartiality applies equally to both. Under the 2012 edition, Type A was the independent third party, Type B a body inspecting only for its parent organisation and Type C one inspecting for its parent and others. A body accredited as Type B or C should not assume its position carries over; it reassesses against the new annex during the transition.

Which accreditation body should we apply to, and will our reports be accepted abroad?

Normally the national body, for example PAB (Philippines), NABCB (India), UKAS (United Kingdom), EIAC (Dubai), GAC (Gulf states), ANAB or A2LA (United States), NATA (Australia) or SAC (Singapore), provided it is a Global ACI MRA signatory for inspection. Signatories recognise one another's accreditations as equivalent, except where regulation or law provides otherwise, so check the register and ask whoever will receive the report.

We are already accredited to ISO/IEC 17020:2012. What do we have to do, and by when?

Transition to the 2026 edition before your accreditation body's deadline. The internationally agreed period is three years from publication, which accreditation bodies have published as 27 March 2029, and they are already assessing to the new edition: UKAS from 1 September 2026, with the 2012 edition no longer assessed from 1 January 2028. Bodies also apply ILAC P15:05/2020, written for the 2012 edition; ask yours how it applies during the transition. Expect a gap analysis against the new text, changes to the impartiality register, the independence statement, data control and the system documents, then a transition assessment.

Does ISO 9001 certification satisfy ISO/IEC 17020?

No. ISO 9001 addresses the quality management system; ISO/IEC 17020 adds impartiality and independence, inspector competence, equipment, methods, records, reports and appeals, assessed with inspections witnessed. An ISO 9001 system is a good base for clause 8, but clauses 4 to 7 still have to be implemented and demonstrated.

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