(1) For purposes of determining a bank's lending limit under 32-1-432, MCA, the bank's credit exposure arising from a derivatives transaction or a securities financing transaction entered by a bank must be calculated in accordance with the methods and models contained in Appendix A which is adopted and incorporated by reference. Appendix A may be found on the department's web site at http://banking.mt.gov/Home/Forms.aspx#164912240.