(a) Except as provided by Subsection (b) of this section, an association may be organized under this chapter with or without capital stock.
(b) If an association formed under this chapter is organized to lend money secured by chattel mortgages on livestock, the association shall be organized with capital stock.
(c) An association formed under this chapter with capital stock automatically shall increase its stock at the rate of 10 percent of the amount of loans or discounts made by the association to its members.