History Log Integrated IRS Forms and Supporting Schedules Step-By-Step Workflow Client Questionnaire in English and Spanish (Individual/Business) Client Portal Resolution Evaluation Case Diagnostics Fee Calculator Engagement Letter and Document Request Incoming & Outgoing Email Correspondence Searchable Internal Revenue Manual Customizable Response Letters Mobile Application Enhanced Forms Preview Expert Tips and Techniques History Log IRS Contacts List 2-Factor Authentication (2FA) Integrated IRS Forms and Supporting Schedules Step-By-Step Workflow Client Questionnaire in English and Spanish (Individual/Business) Client Portal Resolution Evaluation Case Diagnostics Fee Calculator Engagement Letter and Document Request Incoming & Outgoing Email Correspondence Searchable Internal Revenue Manual Customizable Response Letters Mobile Application Enhanced Forms Preview Expert Tips and Techniques History Log IRS Contacts List 2-Factor Authentication (2FA) History Log The software archives and timestamps all inputs made, thus eliminating any doubt as to when or what was added, changed, or deleted.