The Update Document Set transaction passes a collection of metadata updates from the Document Administrator actor to the Document Registry or Document Recipient actor.
                            

The Delete Document Set transaction deletes arbitrary metadata objects from a Document Registry or Document Recipient based on a list of entryUUID attribute describing the objects. 

                            

The Query Registry transaction is issued by the Document Consumer Actor on behalf of a care provider (EHR-CR) to a Document Registry. The Document Registry Actor searches the registry to locate documents that meet the provider s specified query criteria. It will return a list of document entries that contain metadata found to meet the specified criteria including the locations and identifier of each corresponding document in one or more Document Repositories. The stored query uses parameters and not direct SQL
                            

Retrieve Document Set
                            

Register Document Set-b
                            

The Portable Media Creator sends information to media reading actors by means of Interchange Media where it stores the information.
                            

The Register On-Demand Document Entry transaction is used by the On-Demand Document Source to register one or more On-Demand Document Entries in the Document Registry.  
                            

This Transaction allows an Initiating Gateway in a Community to provide a set of
Documents to the Responding Gateway of a remote Community
                            

Dummy transaction
                            

This transaction is used to publish a new document entry and the document.
                            

Provide & Register Imaging Doc Set-MTOM/XOP
                            

The delivery of an audit event description from any secure node to the Audit Repository.
                            

NTP transactions used to maintain time synchronization.
                            

This transaction is embedded within all network communications activity. All DICOM, HL7, and HTML connections shall comply with the IHE specification for bi-directional authentication and authorization of communications of Protected Healthcare Information (PHI). IHE does not specify how other protocols that transfer PHI shall perform bi-directional authentication and authorization, but requires that other protocols perform such authentication and authorization.
                            

Allows a Patient Identity Source Actor to notify a Patient Identity Cross-Referencing Actor of all events related to patient identification (creation, update, merge, etc.).
                            

Patient Identity Feed HL7 V3
                            

The Find Document References transaction is used to find Document References that satisfy parameters, and is equivalent to Registry Stored Query [ITI-18]), FindDocuments and FindDocumentsByReferenceId query from [ITI-18] 
                            

The Retrieve Document transaction is used by the Document Consumer to retrieve a document from the Document Responder. 
                            

The Find Document Manifests transaction is used to find Document Manifests that satisfy a number of parameters, and is equivalent to ITI-18 (Registry Stored Query), FindSubmissionSets query from the XDS stored query catalog from [ITI-18] . The result of the query is a bundle of Document Manifest Resources which reference one or more Document Reference Resources containing document metadata.