As used in this subsection, the phrase "circumstances or an emergency" shall include but not be limited to any condition which may interfere with the conduct of the normal operations of an institution, poses a threat to the safety and security of the personnel or property of the institution, interrupts transportation or power facilities, involves war, riots, civil commotion or other acts of lawlessness or violence, or is a national or State occurrence of such magnitude as to justify authorization of a bank closing. Any closing made pursuant to this subsection shall be effective until the next business day or for such longer period as may be authorized by the secretary in his public announcement.
7 P.S. § 111