I have an award reservation on hold for NCE-LHR in Business on BA connecting to LHR-DFW on AA in Premium Economy. The fare rules state:

CHANGES REQUIRE A REINSTATE/CLAIM AND UNLESS AN EXCEPTION IS LISTED REINSTATEMENT CHARGES MAY APPLY

What does this mean? Does the AA policy for cancelling award tickets and redepositing miles without a fee/charge apply to this ticket or not?