3.5.5.4.1.3 Receiving a TXUSER_VOTER_MTAG_VOTEREQ Message
When the resource manager receives a TXUSER_VOTER_MTAG_VOTEREQ message, the resource manager MUST perform the following actions:
If the connection state is Active:
Send a Vote request to the higher-layer business logic.
Set the connection state to Performing Transaction Operations.
Otherwise, the message MUST be processed as an invalid message as specified in section 3.1.6.