Rights of appraisal or similar rights of dissenting security holders shall be outlined briefly with respect to any matter to be acted upon, and any statutory procedure required to be followed by the security holders in order to perfect their rights shall be indicated. If such rights may be exercised only within a limited time after the date of the adoption of a proposal, the filing of a charter amendment, or some other similar act, it shall be stated whether the person solicited will be notified of that date.
31 Pa. Code § 23.72