1 Pa. Code § 35.138
Written testimony of an expert witness may be received as provided in § 35.166 (relating to prepared expert testimony), where properly supported by the oral testimony of its author on direct examination, subject to cross-examination and motions to strike.
1 Pa. Code § 35.138
This section cited in 1 Pa. Code § 35.137 (relating to oral examination); 4 Pa. Code §265.3 (relating to level II hearings); 25 Pa. Code §1021.123 (relating to evidence); 34 Pa. Code §131.42 (relating to evidence relating to supersedeas); 34 Pa. Code §131.49 (relating to disposition of automatic request for special supersedeas under section 413(a.1) of the act (77 P. S. § 774(1)); 34 Pa. Code §131.53 (relating to procedures subsequent to the first hearing); 34 Pa. Code §131.53a (relating to consolidated hearing procedure); 34 Pa. Code §131.203 (relating to hearing procedures); 34 Pa. Code §131.204 (relating to UEGF subpoenas and interrogatories); 52 Pa. Code §5.412 (relating to written testimony); 52 Pa. Code §1005.152 (relating to written testimony); 55 Pa. Code §41.161 (relating to written testimony); and 61 Pa. Code §703.34 (relating to hearing procedure).