ISO/IEC 17025:2017 is the international standard that specifies the general requirements for the competence, impartiality, and consistent operation of testing laboratories, including sampling activities. Accreditation to ISO/IEC 17025 demonstrates that a testing laboratory operates a sound management system, generates technically valid results, and produces test reports that are recognized worldwide through the GLOBAL ACI Mutual Recognition Arrangement (MRA).
Intended For: Laboratories providing testing and sampling services across chemical, mechanical, biological, electrical, construction, food, environmental, and other technical fields.
Program Requirements: General Requirements of ISO/IEC 17025 · GL.016-NAC.TCL Guideline for Metrological Traceability · GL.019-NAC.TCL Guideline on Scope Areas for Testing Laboratories · GL.042-NAC.TCL Guideline for the Estimation of Measurement Uncertainty in Calibration and Testing/Analysis Results · PR.019-NAC.TCL Procedure for Proficiency Testing and Interlaboratory Comparison Programs · GL.033-NAC.TCL Guideline on Flexible Scope Accreditation · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17025:2017 establishes the competence requirements for calibration laboratories, covering technical performance, metrological traceability, and measurement uncertainty estimation. NAC’s accreditation confirms that a calibration laboratory delivers measurements traceable to the International System of Units (SI), backed by a robust quality management system and internationally recognized through the GLOBAL ACI MRA.
Intended For: Laboratories providing calibration services in dimensional, electrical, mass, force, pressure, temperature, time/frequency, optical, and other measurement disciplines.
Program Requirements: General Requirements of ISO/IEC 17025 · GL.016-NAC.TCL Guideline for Metrological Traceability · GL.022-NAC.TCL Guideline on Scope Areas for Calibration Laboratories · GL.023-NAC.TCL Guideline on Defining the Accreditation Scope for Calibration Laboratories · GL.033-NAC.TCL Guideline on Flexible Scope Accreditation · GL.042-NAC.TCL Guideline for the Estimation of Measurement Uncertainty · PR.019-NAC.TCL Procedure for Proficiency Testing and Interlaboratory Comparison Programs · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17021-1:2015 sets out the principles and requirements for the competence, consistency, and impartiality of bodies providing audit and certification of management systems, including quality (ISO 9001), environmental (ISO 14001), occupational health and safety (ISO 45001), information security (ISO/IEC 27001), food safety (ISO 22000), and energy management (ISO 50001) systems. NAC accreditation confirms that a certification body conducts audits and issues certifications that command international trust.
Intended For: Certification bodies providing third-party audit and certification of management systems across all sectors and scheme types.
Program Requirements: General Requirements of ISO/IEC 17021-1 and applicable scheme-specific standards (ISO/IEC 17021-2/-3/-10, ISO/IEC 27006, ISO/TS 22003, etc.) · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances
ISO 15189:2022 specifies the requirements for quality and competence in medical laboratories, integrating management system principles with technical requirements specific to clinical examinations and patient care. NAC accreditation to ISO 15189 demonstrates that a medical laboratory delivers accurate, reliable, and clinically meaningful results, supporting patient safety and healthcare decisions.
Intended For: Medical and clinical laboratories performing examinations in clinical chemistry, hematology, microbiology, immunology, molecular diagnostics, pathology, and point-of-care testing (POCT).
Program Requirements: General Requirements of ISO 15189 · GL.016-NAC.TCL Guideline for Metrological Traceability · GL.042-NAC.TCL Guideline for the Estimation of Measurement Uncertainty · PR.019-NAC.TCL Procedure for Proficiency Testing and Interlaboratory Comparison Programs · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO 20387:2018 is the international standard that defines the general requirements for the competence, impartiality, and consistent operation of biobanks, covering the acquisition, collection, preparation, preservation, storage, testing, analysis, and distribution of biological material and associated data. NAC accreditation to ISO 20387 confirms that a biobank delivers high-quality biological resources suitable for research and downstream applications.
Intended For: Biobanks handling human, animal, plant, microorganism, or environmental biological materials for research, clinical, industrial, or public-health purposes.
Program Requirements: General Requirements of ISO 20387 · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17020:2012 specifies the requirements for the competence of conformity assessment bodies performing inspection and for the impartiality and consistency of their inspection activities. NAC accreditation to ISO/IEC 17020 — covering Type A, Type B, and Type C inspection bodies — confirms that an inspection body delivers reliable, impartial inspection results recognized through international mutual recognition arrangements.
Intended For: Inspection bodies of Type A (independent), Type B (in-house), and Type C (mixed) performing inspections across construction, industrial equipment, vehicles, electrical installations, lifting equipment, pressure equipment, environmental, and regulatory fields.
Program Requirements: General Requirements of ISO/IEC 17020 · GL.020-NAC.IB Guideline on Inspection Body Accreditation · GL.050-NAC.IB Supplementary Guideline for Inspection Bodies · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17065:2012 establishes the requirements for bodies certifying products, processes, and services, ensuring confidence in their competence, consistent operation, and impartiality. NAC accreditation to ISO/IEC 17065 demonstrates that a certification body issues product, process, or service certifications that are credible, market-relevant, and internationally trusted.
Intended For: Certification bodies operating product, process, or service certification schemes — including building products, food and agricultural products, consumer goods, sustainability schemes, organic certification, and sector-specific marks.
Program Requirements: General Requirements of ISO/IEC 17065 · Applicable scheme-specific normative documents · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17024:2012 sets out the general requirements for bodies operating certification schemes for persons, covering the development and maintenance of certification programs, examination design, impartiality, and surveillance. NAC accreditation to ISO/IEC 17024 confirms that a personnel certification body issues credentials backed by robust competence assessment and recognized across professional and regulated sectors worldwide.
Intended For: Bodies certifying persons against specific competence requirements — including auditors, welders, NDT inspectors, healthcare professionals, IT and cybersecurity specialists, construction trades, and other regulated or voluntary credentials.
Program Requirements: General Requirements of ISO/IEC 17024 · GL.036-NAC.PCB Guideline on Personnel Certification Body Accreditation · Applicable scheme-specific normative documents · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17029:2019 specifies the general principles and requirements for the competence, consistent operation, and impartiality of bodies performing validation and verification (V&V) activities as a third-party conformity assessment activity. NAC accreditation to ISO/IEC 17029 — frequently applied together with ISO 14065 for greenhouse gas (GHG) verification — confirms that a V&V body delivers credible assurance statements on declared information.
Intended For: Bodies performing validation and verification of GHG emissions and removals, sustainability claims, environmental product declarations (EPDs), ESG reports, energy performance data, and other declared information.
Program Requirements: General Requirements of ISO/IEC 17029 · ISO 14065 and applicable sector-specific normative documents (e.g., ISO 14064-3, ISO 14066) · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
The NAC R&D Laboratories Accreditation Program is a dedicated NAC scheme tailored to organizations conducting research and development activities, where strict conformity to ISO/IEC 17025 . The program adapts internationally accepted accreditation principles competence, impartiality, traceability, and documented procedures to the realities of R&D environments.
Intended For: University research laboratories, industrial R&D centers, innovation labs, contract research organizations (CROs), and pre-commercial product development laboratories.
Program Requirements: NAC R&D Laboratory Accreditation Program Requirements · Applicable elements of ISO/IEC 17025 · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
The NAC Vegan Accreditation Program is a product, process, and service certification scheme operated under the framework of ISO/IEC 17065, designed to assure consumers and regulators that certified items meet defined vegan standards free from animal-derived ingredients, animal testing, and animal-based processing aids throughout the supply chain. NAC’s accreditation provides certification bodies with a credible, internationally aligned platform for issuing vegan marks.
Intended For: Certification bodies issuing vegan certification for food, beverages, cosmetics, personal care products, textiles, household goods, restaurants, and service establishments.
Program Requirements: General Requirements of ISO/IEC 17065 · NAC Vegan Accreditation Program Requirements · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
This specialized NAC program accredits testing laboratories performing impact and structural testing under the Florida Building Code (FBC) and Miami-Dade County HVHZ (High-Velocity Hurricane Zone) requirements, including TAS 201 (Large Missile Impact), TAS 202 (Uniform Static Air Pressure), and TAS 203 (Cyclic Wind Pressure Loading). Operating under ISO/IEC 17025, this scope addresses the unique demands of fenestration, building envelope, and impact-resistant product testing in hurricane-prone regions.
Intended For: Florida-based and out-of-state testing laboratories evaluating windows, doors, shutters, glazing, curtain walls, and other fenestration and building envelope products for compliance with Florida Building Code, Miami-Dade NOA, and TAS 201/202/203 requirements.
Program Requirements: General Requirements of ISO/IEC 17025 · TAS 201, TAS 202, TAS 203 and applicable Florida Building Code referenced standards (ASTM E1886, ASTM E1996, ASTM E283, ASTM E330, ASTM E331, ASTM E547) · GL.016-NAC.TCL Guideline for Metrological Traceability · GL.019-NAC.TCL Guideline on Scope Areas for Testing Laboratories · GL.042-NAC.TCL Guideline for the Estimation of Measurement Uncertainty · PR.019-NAC.TCL Procedure for Proficiency Testing and Interlaboratory Comparison Programs · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
ISO/IEC 17043:2023 is the international standard that defines the general requirements for the competence of proficiency testing (PT) providers — organizations that design, develop, operate, and evaluate proficiency testing schemes used by laboratories to demonstrate and maintain their technical performance. NAC accreditation to ISO/IEC 17043 confirms that a PT provider operates with technical competence, impartiality, and statistical rigor.
Intended For: Organizations that plan, develop, operate, and evaluate proficiency testing schemes and interlaboratory comparison programs.
Program Requirements: General Requirements of ISO/IEC 17043 · GL.001-NAC Guideline on Accreditation Service Fees · GL.002-NAC Guideline on the Obligation of Professional Liability Insurance · GL.007-NAC Guideline for the Use of the NAC Accreditation Mark · GL.014-NAC Guideline on Cross-Frontier Accreditation Rules · PR.012-NAC Procedure for Complaints and Appeals · PR.025-NAC Procedure for Remote Assessment · PR.030-NAC Procedure for the Management of Extraordinary Circumstances ·
