Opinion

Tbe order of tbe Commonwealth Court is affirmed.

Mr. Justice Roberts, Mr. Justice Nix, and Mr. Justice Manderino dissent for the reasons set forth in the dissenting opinions in Sweigard v. Department of Transportation, 454 Pa. 32, 35, 38, 309 A. 2d 374, 376, 377 (1973); Brown v. Commonwealth, 453 Pa. 566, 577, 579, 580, 305 A. 2d 868, 871, 874, 875 (1973); Biello v. Pennsylvania Liquor Control Board, 454 Pa. 179, 187, 301 A. 2d 849, 853 (1973); and Thomas v. Baird, 433 Pa. 482, 485, 252 A. 2d 653, 655 (1969).