2.1.14 EntityReference
If the Report State format defines an element or attribute as type EntityReference, it MUST be a valid string as specified in [XMLSCHEMA2/2]. Additionally, the string MUST be of the format EntityContainerName.EntitySetName.
EntityContainerName refers to the value of the Name attribute on an EntityContainer element in a CSDL document [MC-CSDL].
EntitySetName refers to the value of the Name attribute of an EntitySet element in a CSDL document that is contained within the specified EntityContainer [MC-CSDL].