3GPP 38.300 v19.3.0 — the document's own text
16.21.3.3 System Information
The L2 MP Remote UE can acquire any necessary SIB(s) over Uu interface or indirect path. If common search space for system information is configured with the active BWP on PCell, the L2 MP Remote UE can perform direct system information acquisition on PCell. The L2 MP Remote UE can also receive system information at lease PBCH/MIB on the direct path and directly acquires SFN from MIB on the direct path. Besides, the L2 MP Remote UE can receive the system information via dedicated RRC signalling via SRB1.