In addition to the technical documents list above, all laboratories seeking or maintaining A2LA accreditation must comply with all policy and requirements documents listed below. Where applicable, these documents must be completed prior to the start of the accreditation process.
- Order ISO 17025. The A2LA Board of Directors has issued a policy requiring all laboratories to have an official copy of ISO/IEC 17025. Laboratories are being asked to confirm, in writing to A2LA, that the official copy is available on-site. To view and print the ISO/IEC 17025 confirmation form, click here.
- Print and complete the Application. A2LA Document I109 provides instructions on how to complete the application. Provide A2LA with faxed confirmation (see page 16 of the application) that you have an official copy of ISO/IEC 17025 so that we can send you the ISO/IEC 17025 Assessor Checklist.
- Review the A2LA Additional ISO/IEC 17025 Requirements web page. This section presents A2LA’s official applications of the ISO/IEC 17025 requirements. It is expected that laboratories will implement the requirements of the standard in accordance with the applications listed here. Otherwise, areas of non-conformance will be identified by the assessor during the on-site assessment. To have the latest updates delivered to you directly, please subscribe to the RSS feed.
- Print and review the General Requirements for Accreditation.
- Print, review, sign and submit the Conditions for Accreditation.
- Print and review the Proficiency Testing Requirements and Annex. Please investigate and participate in proficiency testing as soon as possible.
- Print and review the Traceability Policy. To locate an acceptable source of calibration services, please search the A2LA Scopes of Accreditation. Alternatively, you can choose a calibration laboratory that is accredited by one of our mutual recognition arrangement partners.
- Print and review the Advertising Policy.
- If your laboratory performs testing and/or calibration at sites other than your permanent laboratory premises, print out the Field Testing/Calibration Requirements and Checklist.
- Additional Policies that may be applicable:
Listed guidance documents contain information that may be helpful to organizations seeking to comply with ISO/IEC 17025 requirements. These documents are not intended to be considered additional requirements for A2LA accreditation.













