67 Pa. Code § 105.54
Certificates of accuracy, provided by the Department, shall be filed for electronic devices calibrated and tested as follows:
The provisions of this § 105.54 adopted June 23, 1978, effective June 24, 1978, 8 Pa.B. 1692; republished and compiled August 1, 1980, effective August 2, 1980, 10 Pa.B. 3199; amended August 22, 1986, effective August 23, 1986, 16 Pa.B. 3119; readopted December 4, 1987, effective December 5, 1987, 17 Pa.B. 5051; amended February 17, 1989, effective February 18, 1989, 19 Pa.B. 640. Immediately preceding text appears at serial pages (122758) to (122759).
This section cited in 67 Pa. Code § 105a.4 (relating to system and speed timing device use and certification).