1. Short title This Act may be cited as the Stress Test Improvement Act of 2017 . 2. CCAR and DFAST reforms Section 165(i) of the Dodd-Frank Wall Street Reform and Consumer Protection Act ( 12 U.S.C. 5365(i) ) is amended— (1) in paragraph (1)— (A) in subparagraph (B)— (i) by amending clause (i) to read as follows: (i) shall— (I) issue regulations, after providing for public notice and comment, that provide for at least 3 different sets of conditions under which the evaluation required by this subsection shall be conducted, including baseline, adverse, and severely adverse, and methodologies, including models used to estimate losses on certain assets, and the Board of Governors shall not carry out any such evaluation until 60 days after such regulations are issued; and (II) provide copies of such regulations to the Comptroller General of the United States and the Panel of Economic Advisors of the Congressional Budget Office before publishing such regulations; ; (ii) in clause (iv), by striking and at the end; (iii) in clause (v), by striking the period and inserting the following: , including any results of a resubmitted test; ; and (iv) by adding at the end the following: (vi) shall, in establishing the severely adverse condition under clause (i), provide detailed consideration of the model’s effects on financial stability and the cost and availability of credit; (vii) shall, in developing the models and methodologies and providing them for notice and comment under this subparagraph, publish a process to test the models and methodologies for their potential to magnify systemic and institutional risks instead of facilitating increased resiliency; (viii) shall design and publish a process to test and document the sensitivity and uncertainty associated with the model system’s data quality, specifications, and assumptions; and (ix) shall communicate the range and sources of uncertainty surrounding the models and methodologies.