3.4.5.1.3.3 Connection Disconnected
When a CONNTYPE_TXUSER_PROMOTE (section 2.2.8.1.3) connection is disconnected, the transaction manager communicating with an application facet MUST perform the same actions as the CONNTYPE_TXUSER_BEGIN2 (section 2.2.8.1.2) connection type acting as an acceptor. See section 3.4.5.1.2 for more details.