1 Pa. Code § 35.127
The agency head or the presiding officer may limit appropriately the number of witnesses who may be heard upon an issue.
1 Pa. Code § 35.127
This section cited in 1 Pa. Code § 35.162 (relating to reception and ruling on evidence); 10 Pa. Code § 3.11 (relating to hearing rules); 25 Pa. Code §1021.126 (relating to limiting number of witnesses and additional evidence); 34 Pa. Code §131.53 (relating to procedures subsequent to the first hearing); 34 Pa. Code §131.53a (relating to consolidated hearing procedures); 34 Pa. Code §131.57 (relating to compromise and release agreements); 34 Pa. Code §131.202 (relating to first hearing information and stay); 34 Pa. Code §131.203 (relating to hearing procedures); 37 Pa. Code §197.48 (relating to procedure at hearing); 37 Pa. Code §197.90 (relating to procedure at hearing); 40 Pa. Code §15.46 (relating to hearings); 52 Pa. Code §5.403 (relating to control of receipt of evidence); 52 Pa. Code §1005.143 (relating to control of receipt of evidence); 61 Pa. Code §703.31 (relating to disposition of petitions); and 61 Pa. Code §703.34 (relating to hearing procedure).