Supplementary Provisions, Article 1Effective Date
第一条（施行期日）
This Act comes into effect on April 1, 2017; provided, however, that the provisions set forth in the following items come into effect on the dates specified respectively in those items:
この法律は、平成二十九年四月一日から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。
Omitted
略
the following provisions: January 1, 2018;
次に掲げる規定 平成三十年一月一日
the provisions in Article 1 amending Article 2, paragraph (1) of the Income Tax Act, amending Article 79, paragraphs (2) and (3) of that Act, amending Article 83, paragraph (1) of that Act, amending Article 83-2 of that Act, amending Article 85 of that Act, amending Article 120 of that Act, amending Article 122, paragraph (3) of that Act, amending Article 123, paragraph (3) of that Act, amending Article 125, paragraph (4) and Article 127, paragraph (4) of that Act, amending Article 166 of that Act, amending Article 185, paragraph (1) of that Act, amending Article 186, paragraph (1), item (i), (a) and (b) and paragraph (2), item (i) of that Act, amending Article 187 of that Act, amending Article 190, item (ii) of that Act, amending Article 194 of that Act, amending Article 195 of that Act, amending Article 195-2 of that Act (including its heading), amending Article 198, paragraph (6) of that Act, amending Article 203-3, item (i) of that Act, amending Article 203-5 of that Act, amending Appended Table II of that Act, amending Appended Table III of that Act, and amending Appended Table IV of that Act, and the provisions of Articles 6, 7, 9, 10, 122, and 123 of the Supplementary Provisions.
第一条中所得税法第二条第一項の改正規定、同法第七十九条第二項及び第三項の改正規定、同法第八十三条第一項の改正規定、同法第八十三条の二の改正規定、同法第八十五条の改正規定、同法第百二十条の改正規定、同法第百二十二条第三項の改正規定、同法第百二十三条第三項の改正規定、同法第百二十五条第四項及び第百二十七条第四項の改正規定、同法第百六十六条の改正規定、同法第百八十五条第一項の改正規定、同法第百八十六条第一項第一号イ及びロ並びに第二項第一号の改正規定、同法第百八十七条の改正規定、同法第百九十条第二号の改正規定、同法第百九十四条の改正規定、同法第百九十五条の改正規定、同法第百九十五条の二（見出しを含む。）の改正規定、同法第百九十八条第六項の改正規定、同法第二百三条の三第一号の改正規定、同法第二百三条の五の改正規定、同法別表第二の改正規定、同法別表第三の改正規定並びに同法別表第四の改正規定並びに附則第六条、第七条、第九条、第十条、第百二十二条及び第百二十三条の規定