; and (2) by striking subsection (d) and redesignating subsection (e) as subsection (d). (d) Effective date The amendments made by this section shall take effect on September 30, 2017, and shall apply to fiscal years beginning with fiscal year 2018. (e) Transition rules for employment-Based immigrants (1) In general Subject to of this subsection and notwithstanding title II of the Immigration and Nationality Act ( 8 U.S.C. 1151 et seq.), the following rules shall apply: (A) For fiscal year 2018, 15 percent of the immigrant visas made available under each of paragraphs (2) and (3) of section 203(b) of such Act ( 8 U.S.C. 1153(b) ) shall be allotted to immigrants who are natives of a foreign state or dependent area that was not one of the two states with the largest aggregate numbers of natives obtaining immigrant visas during fiscal year 2016 under such paragraphs. (B) For fiscal year 2019, 10 percent of the immigrant visas made available under each of such paragraphs shall be allotted to immigrants who are natives of a foreign state or dependent area that was not one of the two states with the largest aggregate numbers of natives obtaining immigrant visas during fiscal year 2017 under such paragraphs. (C) For fiscal year 2020, 10 percent of the immigrant visas made available under each of such paragraphs shall be allotted to immigrants who are natives of a foreign state or dependent area that was not one of the two states with the largest aggregate numbers of natives obtaining immigrant visas during fiscal year 2018 under such paragraphs. (2) Per-country levels (A) Reserved visas With respect to the visas reserved under each of subparagraphs (A) through (C) of paragraph (1), the number of such visas made available to natives of any single foreign state or dependent area in the appropriate fiscal year may not exceed 25 percent (in the case of a single foreign state) or 2 percent (in the case of a dependent area) of the total number of such visas. (B) Unreserved visas With respect to the immigrant visas made