ISO/IEC 17021 is an International standard that provides a set of requirements which has to be followed by a Management system Certification Body to make sure that the certification process carried out is impartial, integral, consistent and is carried out by an competent personal.

ISO/IEC 17025 is an International standard that specifies the requirements for Calibration and testing agencies.As a certified professional, the tests and calibration data will be more accurate and your organization shall become technically proficient in carrying out the activities of Testing and Calibration.

IN the areas where the competence of the individual is very important, the certification of personal as per the ISO/IEC 17024 confirms the competence of named individuals to perform the specified services and duties. Accreditation scheme for the CAB has been developed as per the requirements laid down by the international standard- ISO/IEC 17024 standard.

ISO 17020, entitled "Conformity assessment - Requirements for the operation of various types of bodies performing inspection", is an internationally recognized standard for the competence of inspection bodies. ISO/IEC 17020:2012 specifies requirements for the competence of bodies performing inspection and for the impartiality and consistency of their inspection activities.