secret process
3.Article 34 The departments and personnel thereof conducting supervision and inspection on the accounting documents of the relevant units according to law shall have the obligation of keeping confidentiality of the State secret and commercial secret obtained in the process of supervision and inspection.
7.This paper introduces the realization of the secret code charging system in the ZXJ2000A SPC PABX, includ- ing the composition, process- ing, operation and management of the system.


