(a) If the officers of a bank located in this state determine that an emergency that affects or may affect the bank’s offices or a particular bank operation exists or is impending, the officers may determine:
(1) not to open the bank’s offices or conduct the particular bank operation; or
(2) if the bank’s offices have opened or the particular bank operation has begun, to close the bank’s offices or suspend and close the particular bank operation during the emergency, regardless of whether the banking commissioner has issued a proclamation of emergency.
(b) Subject to Subsection (c), the office or operation closed may remain closed until the officers determine that the emergency has ended and for additional time reasonably required to reopen.

(c) An office or operation may not remain closed for more than three consecutive days, excluding days on which the bank is customarily closed, without the banking commissioner’s approval.
(d) A bank closing an office or operation under this section shall give notice of its action to the banking commissioner as promptly as possible and by any means available.