The office of management and budget may reject any and all printing that is not done in a workmanlike manner or with good material and with ordinary promptness. It may require contractors to present specimen pages of type they propose to use, and may reject the same in its discretion and require new material. Its ruling and determination are final and conclusive on the contractor. Only good, clean, and satisfactory work may be accepted, and it must be done within a reasonable time. The action of the office in this matter is final and conclusive upon such contractor and the contractor’s sureties.