<xsd:element name="MessageReceivedIdentifier" type="IdentifierType"><xsd:annotation><xsd:documentation>Identification of the original message for which this message is an acknowledgement</xsd:documentation></xsd:annotation></xsd:element>
<xsd:element name="Sender" type="OrganizationType"><xsd:annotation><xsd:documentation>Original sender of the original message: a request meaning transferringAgency, a reply meaning archivalAgency</xsd:documentation></xsd:annotation></xsd:element>
<xsd:element name="Receiver" type="OrganizationType"><xsd:annotation><xsd:documentation>Original receiver of the original message: reverse of sender definition</xsd:documentation></xsd:annotation></xsd:element>
<xsd:complexType name="AcknowledgementType"><xsd:annotation><xsd:documentation>Simple acknowledge message containing the referenced message ID plus the send and receiver IDs</xsd:documentation></xsd:annotation><xsd:complexContent><xsd:extension base="MessageType"><xsd:sequence><xsd:element name="MessageReceivedIdentifier" type="IdentifierType"><xsd:annotation><xsd:documentation>Identification of the original message for which this message is an acknowledgement</xsd:documentation></xsd:annotation></xsd:element><xsd:element name="Sender" type="OrganizationType"><xsd:annotation><xsd:documentation>Original sender of the original message: a request meaning transferringAgency, a reply meaning archivalAgency</xsd:documentation></xsd:annotation></xsd:element><xsd:element name="Receiver" type="OrganizationType"><xsd:annotation><xsd:documentation>Original receiver of the original message: reverse of sender definition</xsd:documentation></xsd:annotation></xsd:element></xsd:sequence></xsd:extension></xsd:complexContent></xsd:complexType>