- be physically located in the United States,
- be a signatory, in good standing, to a mutual recognition arrangement of a laboratory accreditation cooperation (i.e. APLAC, etc.) that verifies, by evaluation and peer assessment, that its signatory members are in full compliance with ISO/IEC 17011 and that their accredited laboratories comply with ISO/IEC 17025,
- offer accreditation services that meet the specific technical and administrative requirements of foreign governments under government-to-government the trade agreements/arrangements. The specific requirements for each country/economy can be found on NIST's web site,
- inform NIST, in writing, at least 6 months prior to its MRA cooperation's evaluation and invites NIST, and/or its designated representatives, to participate in the evaluations. (Note: Evaluations of the AB shall include an audit of the AB'scompetence to carry out the specific requirement of the trade agreements/arrangements, as well as onsite witness audits of its laboratories),
- undergo witness audits at one or more appropriate laboratories on a periodic basis and as deemed necessary by NIST/NVCASE. For newly listed ABs, the frequency of witness audits is normally once every two years. Additional witness audits may be required,
- provide copies, to NIST, of all documentation related to the AB's evaluation within 30 days of receipt,
- provide copies, to NIST, of all documentation related to the AB's witness audits within 30 days of receipt,
- inform NIST, in writing within 30 days, of any change of signatory status in the laboratory accreditation cooperation MRA, and
- pay all applicable fees, to include NIST staff and technical expert expenses.
NOTE: NIST reserves the right to deny, suspend, or withdraw listing to any AB deemed unacceptable.