(a) Except as necessary to prevent a loss on a loan previously made in good faith, a commercial bank may not:
(1) Make any loan secured by any of its outstanding capital stock; or
(2) Buy or hold any of its outstanding capital stock.
(b) If a commercial bank buys or holds any of its outstanding capital stock, the commercial bank shall sell the stock at public or private sale within:
(1) 1 year after the date of acquisition; or
(2) Any longer period that the Commissioner authorizes.