as otherwise provided in this section, the requirements and procedures under this subtitle shall apply to a project under this section. (2) Interest rate (A) In general Except as provided in subparagraph (B), the interest rate on a secured loan provided under this section shall be equal to the yield on United States Treasury securities of a similar maturity to the maturity of the secured loan on the date of execution of the loan agreement. (B) Certain States (i) In general In the case of a State described in clause (ii)— (I) the interest rate on a secured loan provided under this section shall be 80 percent of the interest rate under subparagraph (A)