1. Short title This Act may be cited as the Better Accounting for Medicaid Costs Act of 2017 . 2. Requiring rulemaking for costly Medicaid subregulatory policies (a) In general Section 1102 of the Social Security Act ( 42 U.S.C. 1302 ) is amended by adding at the end the following new subsection: (c) Medicaid subregulatory policies (1) Effect on annual government expenditures Before any Medicaid subregulatory policy (as defined in paragraph (4)) may be issued, the Secretary shall determine the extent to which such policy, with respect to each year in the 10-year period beginning on the proposed effective date for such policy, is projected to result in— (A) an increase in total estimated expenditures by States under title XIX for such year, as compared to the estimated expenditures by States under such title for such year if such policy were not issued; or (B) an increase in the estimated expenditures by the Federal Government under such title for such year, as compared to the estimated expenditures by the Federal Government under such title for such year if such policy were not issued. (2) Rulemaking for certain costly policies If the Secretary determines under paragraph (1) that a Medicaid subregulatory policy, with respect to any year for which such determination is made, is projected to result in— (A) an increase described in subparagraph (A) of such paragraph of at least $50,000,000; or (B) an increase described in subparagraph (B) of such paragraph of at least $100,000,000