| Issue Number: Edition 106 |
Date of Issue: April 2008 |
To gain accreditation, a proficiency testing provider must be fully conversant and comply with the relevant standard, which is:
Proficiency testing by interlaboratory comparisons - Part 1: Development and operation of proficiency testing schemes
| ILAC-G13 | Guidelines for the Requirements for the Competence of Providers of Proficiency Testing Schemes (2007) |
| PT 1 | Accreditation of Providers of Proficiency Testing Schemes for Laboratory Testing (Edition 1, June 2005) |