Complaints shall be filed with the Commission at its principal office in Harrisburg, Pennsylvania. Complaints shall contain all pertinent information known to the complainant.
58 Pa. Code § 183.453
This section cited in 58 Pa. Code § 183.62 (relating to duties of judges); 58 Pa. Code § 183.67 (relating to duties of starter); 58 Pa. Code § 183.451 (relating to definitions); and 58 Pa. Code § 183.456 (relating to refusal, suspension or revocation of license with prior hearing).