Abstract: A Corporate Business Income tax web site where a user enters the tax information into a web site using a web browser; the web site calculates the tax due or downloads mobile code and the mobile calculates the tax due; the corporate tax data is transferred to the taxing agency; an acknowledgment is received back from the taxing agency; the information in the acknowledgment is sent to the user. Also, a web site where the user who E-Files the tax return is verified using a digital ID.

Abstract: A method is provided for the connection of heterogeneous database's of various manufacture and running different operating systems in a peer to peer fashion, where a central web server sends mobile code for a variety of operating systems and said mobile code provides a client software interface (TAXSOFTWARE) to input and edit tax return or other information; said mobile code provides database server software (TAXDBC) interface means to allow one or more said client mobile code to connect to one or more databases at various locations on the network, intranet or internet to save information and the schema may be updated on demand by inspecting the SQL; said users may run either the client mobile code (TAXSOFTWARE) or server mobile code (TAXDBC) or both on each computer.