52 Pa. Code § 1005.143 – Control of receipt of evidence.

(a) The Authority or presiding officer has all necessary authority to control the receipt of evidence, including the following:
1. (1) Ruling on the admissibility of evidence.
2. (2) Confining the evidence to the issues in the proceeding and impose, when appropriate:
  1. (i) Limitations on the number of witnesses to be heard.
  2. (ii) Limitations of time and scope for direct and cross-examinations.
  3. (iii) Limitations on the production of further evidence.
  4. (iv) Other necessary limitations.
(b) The Authority or presiding officer will actively employ these powers to direct and focus the proceedings consistent with due process.
(c) Subsections (a) and (b) supersede 1 Pa. Code § § 35.127, 35.162 and 35.163 (relating to limiting number of witnesses; reception and ruling on evidence; and designation of relevant portions of documentary evidence).