Formulate a conceptual schema of an application along with numerous restrictions using ADOxx platform.

Join the development team implementing "Customer Accounts" of a company mobile. For each subscriber, the company maintains: customer data: customer number, name, address, VAT number, Tax, credit card information data providing telephone connection: no. Contract, financial services package, Season pack power, how payment the historic call: date, time, duration, phone number called, type of call information for billing: billing period, date, previous outstanding. These elements combined with elements of the current financial package for the billing period and the current VAT rate, allow periodic billing and dispatched to customers. The financial package (or program) determines the fixed connection fees, billing invoice for voice, messaging, data and special services, as well as any discounts. The mobile subscriber fees are determined by general provisions. The items displayed are printed in an account are: no. Account, date, customer number, name, address, VAT number, Tax, phone number, financial package, charging period, fees, user charges, mobile subscriber fees, VAT (on all charges), total current account and VAT, previous balance, total payment amount, payment date, payment indication by credit card and, finally, a detailed call status and the amount of each. (Hint: look carefully a mobile account!) Asked to formulate the conceptual schema of the application along with numerous restrictions using ADOxx platform.