Surveying and mapping instruments annual inspection is what laws and regulations provide

"The Chinese people *** and the state measurement law". According to the query law gradient shows that on September 6, 1985, "the Chinese people's *** and the State Metrology Law" adopted by the National People's Congress, since July 1, 1986 onwards, the current version in force for the amended version of April 24, 2015, in the law of the second chapter of the measurement of reference instruments, measurement standard instruments and measurement of the measurement of the following provisions of Article IX of the People's Government at or above the county level of the measurement of the administrative departments of the community public Measuring instruments, departments and enterprises, institutions use the highest measurement standard instruments, and for trade settlement, safety protection, medical and health, environmental monitoring included in the mandatory verification of the catalog of measuring instruments, the implementation of mandatory verification, not in accordance with the provisions of the application for verification or unqualified verification shall not be used, the implementation of the mandatory verification of the work of the directory of measuring instruments and management methods, formulated by the State Council.