Over the life of your program you've received many change request forms. Some of the change requests have been approved and some have been declined. Where should you record all change requests and the

The change register is the designated repository in program management for recording every change request submitted, along with its current disposition (approved, denied, deferred), ensuring full traceability and auditability of all change activity throughout the program life cycle.

Integrated change control is a process for reviewing and approving change requests, not a document or location where change requests and their statuses are recorded.

The Program Management Information System is a broader set of tools and repositories used to manage program information; it may contain the change register but is not itself the specific document for recording change requests.

Change log is a similar concept but not the PMI-standard term used in program management; the formally recognized document for this purpose is the change register.