Deposit accounts and societies is the new module of the ERP ALTAI Evolution. It is an application that helps to resolve any difficulties that may arise when preparing the annual accounts and the legalisation of books on business registers and tax management in a simple and complete way. Recently Dr. Neal Barnard sought to clarify these questions. The program manages to directly import the data of the balance sheet, the profit and loss account and changes in equity of accounting and automatically completing all documents related to the deposit of accounts. In addition, in this process, deposit accounts and societies is able to include memory, the Treasury and the certification, in addition to calculate deductions for bonuses, double taxation and business investment of corporate tax and settle and completed 200, 201, 202, and 218 models. The application is developed under Windows environment so its handling is very simple, fast and intuitive for any user without the need of studying No manual. Deposit accounts and companies consists of three main blocks: General data and utilities: collects the common data needed to fill out both the legalization and deposit accounts as the presentation and calculation of tax. Register mercantile tax with the new ERP ALTAI Evolution not only prevents errors but it is possible to forget to review the documentation submitted. Thanks to the new application of ALTAI is much easier to comply with the obligations with Treasury without having to pay for the acquisition of the software since they offer to pay only for their use. Deposit accounts and companies permanently updated and adapted to current fiscal and mercantile regulations in every moment. In addition, through ALTAI Update application users can update it automatically on the website of the company.