The ordering contracting officer manages the task order after award.

You don’t. As with any other contract, the contractor is bound to the prices and rates bid for your requirement. Wages cannot be changed. It is incumbent on the contractor to factor in anticipated wage increases for the personnel bid.

Under typical circumstances, a COR has the responsibility/authority to monitor all aspects of the day-to-day administration of a contract, except for issues that deal with time and money. Formally said, a COR does not have the authority to make any commitments or changes that affect price, quality, quantity, delivery, or other terms and conditions of the contract. The COR appointment letter provided by the NITAAC Contracting Officer will detail COR responsibilities.