58 Pa. Code § 165.58
If, subsequent to the filing of an affidavit required under §§ 165.55-165.57 (relating to additional information required when registered stockholder is not the sole beneficial owner; affidavit of beneficial owners other than a registered stockholder; and beneficial ownership of stock by minors, incompetents, and unascertained beneficiaries), the status of any affiant changes with respect to any of the matters set forth in § 165.51(a) (5) to (12) of this title (relating to individual stockholders-voting and nonvoting stock), inclusive, such affiant shall forthwith file with the corporation with which his or its affidavit was originally filed, a new affidavit, in duplicate, setting forth with particularity such change.
58 Pa. Code § 165.58
This section cited in 58 Pa. Code § 165.13 (relating to filing of information concerning stock transfers).