61 Pa. Code § 703.1 – Petitions generally.

(a) General requirements. Petitions must be in writing, state clearly and concisely the interest of the petitioner in the subject matter, the facts and the basis for the relief sought.
(b) Petition form. A petition shall be filed using the Board’s designated petition form or otherwise conform to the format of the Board’s designated form on the Board’s web site.
(c) Supersession. Subsections (a) and (b) supersede 1 Pa. Code § 35.17 (relating to petitions generally).

This section cited in 61 Pa. Code § 703.2 (relating to petition content).