(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.