1.1 China National Accreditation Service for Conformity Assessment (English abbreviation: CNAS), as a member of the Asia-Pacific Accreditation Cooperation (APAC) and the International Laboratory Accreditation Cooperation (ILAC) Mutual Recognition Agreement (MRA), strictly implements the requirements of the Mutual Recognition Agreement and recognizes mutual The results of the recognition by the signatories of the recognition agreement. 1.2 These rules apply to CNAS’s accreditation and acceptance of overseas laboratories, inspection agencies, reference material/standard sample producers and proficiency testing providers. 1.3 Overseas applicants should meet CNAS-RL01 "Laboratory Accreditation Rules", CNAS-RI01 "Accreditation Rules for Inspection Agencies", CNAS-RL06 "Accreditation Rules for Proficiency Testing Providers" and CNAS-RL07 "Reference Materials/Standards" according to the application category. Sample Producer Approval Rules" and other relevant requirements.