In this subtitle the following words have the meanings indicated. “Change order” means a written order that: is signed by the procurement officer; and directs the contractor to make changes that the procurement contract authorizes the procurement officer to order without the consent of the contractor. “Contract modification” means a written alteration that: affects specifications, delivery point, date of delivery, period of performance, price, quantity, or other provisions of a procurement contract; and is accomplished by mutual action of the parties to the procurement contract. “Cost-reimbursement contract” means a procurement contract under which the State reimburses a contractor for fees and other costs that are: recognized as allowable and allocable under the regulations of the Board on price and cost principles; and within a stated ceiling.