Mirrors for Clarification_for_UPDATE_of_pendingNotification_attribute
CR SDS-2021-0152R0 was raised to clarify the Update procedure in TS-0004 clause 7.4.8.2.3, but this is for R4 only. However this clarification is also relevant to R2 and R3 The text that was clarified also appears in R3, so we should have mirrors for them