Mixed Model EMBs have a variety of structures, internal relationships, and attributes, and it is difficult to codify the essential and possible attributes of Mixed Model EMBs. The relationship between the two components in a Mixed Model EMB is significant in determining its attributes and methods of operation. Effective legal frameworks for Mixed Model EMBs clearly specify the division of powers and functions between the policy, monitoring, or supervisory component and the implementing component of the EMB, and their interactions.

The table “Examples of Formats for a Mixed Model EMB” shows some attributes of some examples of Mixed Model EMBs.