Overview
The TAE policies feature is used in Microsoft Dynamics AX 2012 in the context of purchase orders, sales orders, and sales quotations. It prevents the system from accidentally evaluating and overwriting price and discount fields that are populated manually or by an external source. This document is intended for developers and provides detailed information about applying TAE policies, the architecture of the feature, and how to extend and debug it.
Microsoft Dynamics AX 2012 White Papers Trade Agreement Evaluation Policies