3.7.5.1.2.1 CONNTYPE_PARTNERTM_BRANCH as Acceptor
For all messages that are received in this connection type, the superior transaction manager MUST process the message as specified in section 3.1.
Also, for incoming messages, the superior transaction manager MUST override the verification actions of the default state, as specified in section 3.1.6, in the following manner:
If the current connection state does not define a processing rule for the message:
Send a PARTNERTM_PROPAGATE_MTAG_PROTOCOL_ERROR message using the connection.
Perform default invalid message processing, as specified in section 3.1.6.
The superior transaction manager MUST also follow the processing rules as specified in the following section.