Section: 5.8.9.1a.3 Sidelink SRB release
Content: The UE shall: 1> if a PC5-RRC connection release for a specific destination is requested by upper layers or AS layer; or 1> if the sidelink radio link failure is detected for a specific destination: 2> release the PDCP entity, RLC entity and the logical channel of the sidelink SRB for PC5-RRC message of the specific destination; 2> consider the PC5-RRC connection is released for the destination. 1> if PC5-S transmission for a specific destination is terminated in upper layers: 2> release the PDCP entity, RLC entity and the logical channel of the sidelink SRB(s) for PC5-S message of the specific destination; 1> if discovery transmission for a specific destination is terminated in upper layers: 2> release the PDCP entity, RLC entity and the logical channel of the sidelink SRB4 for discovery message of the specific destination; Editor's Note: FFS on how to release SL SRB on E2E and hop configuration for U2U relay.