The , Required Contract Provisions, is a collection of contract provisions and proposal notices required by regulations promulgated by FHWA and other federal agencies. The provisions contained in Form FHWA-1273 are generally applicable to all federal-aid construction projects and must be made a part of, and physically incorporated into, all contracts, as well as all appropriate subcontracts.

The LG is not permitted to modify the provisions of Form FHWA-1273. Minor additions covering other requirements may be included in a separate supplemental specification, provided they do not conflict with state or federal laws and regulations and do not change the intent of the required contract provisions. Details regarding specific requirements related to Form FHWA-1273 that must be followed and properly documented are found in of this Manual and the .