Section: 5.8.9.2.3 Actions related to transmission of the UECapabilityEnquirySidelink by the UE
Content: The initiating UE shall set the contents of UECapabilityEnquirySidelink message as follows: 1> include in UE radio access capabilities for sidelink within ue-CapabilityInformationSidelink, if needed; NOTE 1: It is up to initiating UE to decide whether ue-CapabilityInformationSidelink should be included. 1> set frequencyBandListFilterSidelink to include frequency bands for which the peer UE is requested to provide supported bands and band combinations; NOTE 2: The initiating UE is not allowed to send the UECapabilityEnquirySidelink message without including the field frequencyBandListFilterSidelink. 1> submit the UECapabilityEnquirySidelink message to lower layers for transmission.