Pub. L. 101-164, tit. III, sec. 318

Sec. 318. None of the funds appropriated in this Act may be used to prescribe, implement, or enforce a national policy specifying that only a single type of visual glideslope indicator can be funded under the facilities and equipment account or through the airport improvement program: Provided, That this prohibition shall not apply in the case of airports that are certified under part 139 of the Federal Aviation Regulations.