Change control

[Satya]

Context is :
An issue is resolved by a team member at the final stage of the delivery that added a good functionality but, did not
perform an integrated change control management .what should a PM do?

a.Team member should be fired.
b.Raise the issue
c.Submit the Change request.

[seema.sonkiya]

Is this related to PMP, please post in the appropriate section?