Ebusiness Tax provides a repository to store tax information and record tax events.
Individual applications (for e.g. Purchasing) avails the tax services provided by Ebusiness Tax to create/update/display tax information for its transactions. The tax services that can be availed from Ebusiness Tax are listed below.

• Define Tax Content
• Determine Tax
• Manage Tax
• Record Tax
• Report Tax
• Reconcile Tax

• Oracle E-business tax is a new product in R12.
• It provides the infrastructure for transaction tax knowledge management and delivery using a global system architecture that is configurable and scalable for adding country-specific tax content.
• It is a single point solution for managing transaction-based tax.
• Uniformly delivers tax services to all E-Business Suite business flows through one application interface.
• It Consists of a tax knowledge base, a variety of tax services that respond to specific Tax events, a set of repositories (for tax content and tax recording) that  allows customers to manage their local tax compliance needs in a proactive  manner, as well as the ability to integrate with external tax content providers  through a single integration point.