Various technologies pertaining to an impact of more than one PDSCH per slot on a HARQ-ACK CB for multicast are described herein. A UE receives RRC signaling indicating whether more than one PDSCH is configured for at least one slot associated with at least one HARQ-ACK codebook. The UE performs, for the at least one HARQ-ACK codebook for multiplexing feedback between unicast and multicast for HARQ-ACK, one of: an addition of a candidate PDSCH occasion to a set of candidate PDSCH occasions for the at least one slot based on the RRC signaling or TDRA grouping for the at least one slot based on the RRC signaling.