Section: 8.16.1 MN initiated Conditional PSCell Addition
Content: The procedure for MN initiated Conditional PSCell Addition (CPA) is shown in Figure 8.16-1. Figure 8.16.1-1 Conditional Secondary Node Addition procedure 1-12. The steps 1-12 are as defined in TS 37.340[ Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Overall Description; Stage-2 ]  [12]. a1-a5. The steps a1-a5 are as defined in clause 8.9.2 and with conditional indications. a6. After Random Access procedure successfully performed at the candidate gNB-DU which becomes the target SN gNB-DU, the target gNB-DU sends a Downlink Data Delivery Status frame to inform the target gNB-CU-UP. The target gNB-DU also sends an ACCESS SUCCESS message to inform the target gNB-CU-CP of which cell the UE has successfully accessed.