Code of Federal Regulations Title 41. Public Contracts and Property Management § 41.301–10.112 What must I do when different airlines furnish the same service at different fares?

When there is no contract fare, and common carriers furnish the same service at different fares between the same points for the same type of accommodations, you must use the lowest cost service unless your agency determines that the use of higher cost service is more advantageous to the Government.