The Accountants Partner - Version 10.0 The Accountant's Partner(TAP), has been designed with the accounting and tax professional in mind. The software provides a centralized location for the daily administration of the services your firm renders, the time consumed in performing these tasks, due date management and the preparation and maintenance of invoices and receivables. TAP also supplies its users with complete tracking of prospects, contacts, letters, business notes, appointments, messages, tax deposit notices, continue education credits and much more.