To provide reliability monitoring and indication for MBS.SOLUTION: A WTRU may receive an MBS configuration for an INACTIVE state. The MBS configuration and suspend configuration may be associated with different areas, e.g., MBS area versus RAN area. Configurations may indicate reliability indication triggers, a reliability metric configuration, and / or a reliability indication configuration. A WTRU, e.g., in INACTIVE, may receive an MBS transmission, e.g., on MRB(s), receive an MCCH, e.g., with trigger(s) for reliability indication during MCCH modification period, determine reliability metric(s) associated with MBS TB reception, monitor reliability metric(s) during time interval(s) for MCCH modification period(s), select RA resources, indicate a reliability metric, and / or monitor RAR format responsive to the reliability indication transmission.SELECTED DRAWING: Figure 2