1, mandatory inspection refers to the social public standards of measurement, departments and enterprises, institutions use the highest standards of measurement, and for trade settlement, safety and security, medical and health, environmental monitoring of the four aspects of the inclusion of mandatory inspection of the catalog of the work of measuring instruments.
2, the legal basis: "Chinese People's **** and the State Administrative Licensing Law" Article 32
Administrative organs of the applicant's application for administrative licensing, shall be dealt with in accordance with the following circumstances
(1) the application does not require the acquisition of administrative licenses by law, it shall be immediately informed of the applicant is not admissible;
(2) the application does not fall within the purview of the administrative organ, the applicant shall be immediately informed of the inadmissibility;
(2) the application does does not belong to the administrative organ's terms of reference, shall immediately make a decision of inadmissibility, and inform the applicant to apply to the relevant administrative organ;
(3) application materials can be corrected on the spot, the applicant shall be allowed to correct on the spot;
(4) application materials are incomplete or do not comply with the statutory form, shall be on the spot or within five days of a time to inform the applicant of all the contents need to be corrected. correct all the contents, and if not informed after the deadline, the application shall be accepted from the date of receipt of the application materials;
(5) the application falls within the scope of competence of the administrative organ, and the application materials are complete and conform to the statutory form, or the applicant submits all the corrected application materials in accordance with the requirements of the administrative organ, the application for an administrative license shall be accepted.
Two, mandatory and non-compulsory testing and what are the differences
Mandatory testing and non-compulsory testing of the difference:
1, the management of different organs. Compulsory calibration by the government measurement of the administrative departments under the statutory measurement and calibration bodies or authorized measurement and calibration bodies to implement supervision and management; non-compulsory calibration by the use of measuring instruments or commissioned by their own units with the measurement of social standards or authorized measurement and calibration bodies to manage their own law;
2, the calibration cycle is different. Compulsory calibration of the calibration cycle is mandatory, the calibration relationship is fixed, fixed-point regular inspection; non-compulsory calibration of the calibration cycle, according to the actual use of measuring instruments by the enterprise, in line with the principles of science, economy and accuracy of the value of their own determination.