Section: 5.3.8 Abnormal cases in the UE
Content: The following abnormal case can be identified: a) EMM uplink message transmission failure indication by lower layers When it is specified in the relevant procedure that it is up to the UE implementation to rerun the ongoing procedure that triggered that procedure, the procedure can typically be re-initiated using a retransmission mechanism of the uplink message (the one that has previously failed to be transmitted) with new sequence number and message authentication code information thus avoiding to restart the whole procedure.