Section 14(13)(iii) in The Central Motor Vehicles (Accreditation of Bus Body Builders) Order, 2007
(iii)The Lead Assessor shall have the same qualifications as given at clause (b) above and in addition, shall have a background in quality management systems as per ISO 9001:2000/ISO:14001: 1996/ISO/IEC 17025:1999 (NABL) or any other National or International Certification or Accreditation System;