To facilitate identification, the CD - ROM or diskette should be identified with an external label stating business name, file number and the year of assessment.

为方便识别，唯读光碟或磁碟外应附有写上业务名称档案号码及课税年度的标签。

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To file over the Internet, users will need 128-bit encryption software as well as a legitimate identification number located on the census form itself to authenticate the user.

CNN: U.S. Census OKs Web filing test