Section: 5.3.3.8 Abortion of RRC connection establishment
Content: If upper layers abort the RRC connection establishment procedure, due to a NAS procedure being aborted as specified in TS 24.501[ Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 ]  [23], while the UE has not yet entered RRC_CONNECTED, the UE shall: 1> stop timer T300, if running; 1> reset MAC, release the MAC configuration and re-establish RLC for all RBs that are established (except broadcast MRBs). The L2 U2N Relay UE either indicates to upper layers (to trigger PC5 unicast link release) or sends NotificationMessageSidelink message to the connected L2 U2N Remote UE(s) in accordance with 5.8.9.10. The L2 U2N Remote UE indicates to upper layers to trigger PC5 unicast link release with its connected L2 U2N Relay UE.