1, the preparation of the whole file number: the whole file number fill in the archives to the preparation of the code unit, such as Shaodong, the county archives to determine the whole file number for the "142", marked as "0142". Not determine the full file number in the archives before the number can not fill in. Enterprises can fill in the expression of the unit's Hanyu Pinyin characters.
2, catalog number preparation. Fill in the case file belongs to the directory number, in the same file does not allow duplication of the directory number of the case file, the enterprise or refer to the "Industrial Enterprise File Classification Trial Rules" to prepare a classification scheme, you can fill in the category characteristics of the code. File directory number should be set according to the state of archival organization in the whole file. The catalog number of the file can be set according to different time, different organizational structure, different storage period, different topics or different carrier forms. Each file directory contains the number of files generally appropriate to three digits.