1 Pa. Code § 9.61 – Required Code headings.

(a) The title, part and chapter heading, in that order, shall be set forth in full on separate lines at the beginning of a document. Subpart, subchapter or other principal divisions, if applicable, shall also be set forth in the order specified in § 1.3 (relating to arrangement of Code).
(b) A section shall be given a brief descriptive heading. The section heading shall precede the text on a separate line.

This section cited in 1 Pa. Code § 9.62 (relating to additional captions).