; and (C) by redesignating subparagraph (C) as subparagraph (B). (d) Effective date (1) In general Except as provided in paragraph (2), the amendments made by this section shall take effect on the date that is 18 months after the date of enactment of this Act. (2) Exception Notwithstanding paragraph (1), the amendments made by this section shall take effect on the date of enactment of this Act with respect to any bank holding company with total consolidated assets of less than $100,000,000,000. (3) Additional authority Before the effective date described in paragraph (1), the Board of Governors of the Federal Reserve System may by order exempt any bank holding company with total consolidated assets of less than $250,000,000,000 from any prudential standard under section 165 of the Financial Stability Act of 2010 ( 12 U.S.C. 5365 ). (4) Rule of construction Nothing in this section shall be construed to prohibit the Board of Governors of the Federal Reserve System from issuing an order or rule making under section 165(a)(2)(C) of the Financial Stability Act of 2010 ( 12 U.S.C. 5365(a)(2)(C) ), as added by this section, before the effective date described in paragraph (1). (e) Supervisory stress test Beginning on the effective date described in subsection (d)(1), the Board of Governors of the Federal Reserve System shall, on a periodic basis, conduct supervisory stress tests of bank holding companies with total consolidated assets equal to or greater than $100,000,000,000 and total consolidated assets of not more than $250,000,000,000 to evaluate whether such bank holding companies have the capital, on a total consolidated basis, necessary to absorb losses as a result of adverse economic conditions. (f) Global systemically important bank holding companies Any bank holding company, regardless of asset size, that has been identified as a global systemically important BHC under section 217.402 of title 12, Code of Federal Regulations, shall be considered a bank holding company with total consolidated assets equal to or