In the event a savings bank closes any additional office of any type on a temporary basis, such office must be reopened within 12 months or less, unless otherwise extended by written authorization of the Commissioner. In the event such office is not reopened within the allotted 12-month period, or the longer period established by the Commissioner, if applicable, the Commissioner's approval to establish such office for purposes of §75.201 of this title (relating to Approval of Offices Required; Closing an Office; Activities Not Requiring an Approved Office) is deemed revoked. Written notice of any temporary closing must be furnished to the Commissioner no later than 10 days after such closing, and the office may not reopen until the Commissioner receives written notification at least 10 days before such reopening.