Will add the following guidance regarding contained resources: "The submit-data and collect-data operation responses payload are Parameters resources containing resource parameters. The response to the Individual reporting transactions are Bundles. In either case contained resources SHOULD NOT be used to represent the transacted data unless the the source data exists only within the context of the transaction. For example, if the only information about the coverage is the payor name, it could be contained by the Patient resource: { "resourceType": "Patient", "id": "patient01", "contained": [ { "resourceType": "Coverage", "status": "active", "beneficiary": { "reference": "#" } , "payor": [ { "reference": "Organization/organization04" } ] } ] ...<rest of patient resource>... }