Question: What is the primary purpose of the Nchf_SpendingLimitControl_Notify service operation in the 5G System (5GS)?
Option 1: To update the policy counter status at the NF consumer.
Option 2: To notify the removal of a subscriber from the CHF system.
Option 3: To provide one or more pending statuses for a subscribed policy counter together with their activation times.
Option 4: To request additional information about the subscriber's policy counters.
Explanation: The Nchf_SpendingLimitControl_Notify service operation is used by the CHF to notify changes in the status of subscribed policy counters, including providing one or more pending statuses and their activation times. This allows the NF consumer to take necessary actions based on these updates.