Pub. L. 102-143, tit. III, sec. 319
Essential Air Service Compensation.—
Sec. 319. Essential Air Service Compensation.—Notwithstanding any other provision of law, the Secretary of Transportation shall make payment of compensation under subsection 419 of the Federal Aviation Act of 1958, as amended, only to the extent and in the manner provided in appropriations Acts, at times and in a manner determined by the Secretary to be appropriate, and claims for such compensation shall not arise except in accordance with this provision.