67 Pa. Code § 175.100
The windshield washer system shall be installed and in safe operating condition on medium and heavy trucks and buses manufactured after 1968.
The provisions of this § 175.100 adopted October 29, 1982, effective February 1, 1983, 12 Pa.B. 3862; corrected November 12, 1982, effective February 1, 1983, 12 Pa.B. 3862; readopted December 2, 1988, effective December 3, 1988, 18 Pa.B. 5362. Immediately preceding text appears at serial page (17529).