1. Definition: filing number is a unique number compiled by the archives or records office for a full file, used to identify and distinguish between different full files. File number is in the full file of the file for classification and organization of the preparation of the sequential number, used to identify and distinguish between different files within the same full file.
2, role: the archive number is used to distinguish between different full file, to facilitate the management and retrieval of files. File number is used to distinguish between different files in the same file, to facilitate the classification and organization of the file.
3, the preparation method: the preparation of the archive number by the archives or archives unified, according to certain rules and standards for the full allocation of a unique number. The preparation of the file number by the archives organizers according to the content and characteristics of the file, in accordance with the chronological order, subject or document type and other different ways to organize.