the Tennessee Valley Authority with respect to nonpersonal services, with respect to
section 501(c) of this title, and with respect to property acquired in connection with a program of processing, manufacture, production, or force account construction, but the Authority shall, to the maximum extent it considers practicable, consistent with the purposes of its program and the effective, efficient conduct of its business, coordinate its operations with the requirements of this subtitle and with policies and regulations prescribed under this subtitle;