# 法人税法 / Corporation Tax Act — 第十三条 (Supplementary Provisions, Article 13) - Law: 法人税法 (Corporation Tax Act), 昭和四十年法律第三十四号 - English title "Corporation Tax Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第十三条 (Supplementary Provisions, Article 13)（事業年度に関する経過措置） — address `suppl-4221-6/art-13` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/corporation-tax-act/suppl-4221-6/art-13 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/340AC0000000034/suppl-4221-6/art-13 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第十三条（事業年度に関する経過措置） — Transitional Measures Concerning Business Years caption: machine translation, not official suppl-4221-6/art-13 · https://japanlaw.org/en/corporation-tax-act/suppl-4221-6/art-13 · https://japanlaw.org/l/340AC0000000034/suppl-4221-6/art-13 **第一項** 十月新法人税法第十四条第二項の規定は、平成二十二年十月一日以後に同項に規定する他の内国法人が同条第一項第六号又は第七号に掲げる場合に該当することとなる場合の事業年度について適用する。 suppl-4221-6/art-13/par-1 · https://japanlaw.org/en/corporation-tax-act/suppl-4221-6/art-13/par-1 · https://japanlaw.org/l/340AC0000000034/suppl-4221-6/art-13/par-1 The provisions of Article 14, paragraph (2) of the Corporation Tax Act as Amended for October apply to business years in the case where another domestic corporation prescribed in that paragraph comes to fall under the case listed in paragraph (1), item (vi) or (vii) of that Article on or after October 1, 2010. machine translation, not official **第二項** 平成二十二年十月一日前に十月旧法人税法第十五条の二第二項に規定する他の内国法人が連結親法人との間に当該連結親法人による同条第一項第六号に規定する完全支配関係を有することとなった場合の同項に規定する最初連結事業年度については、なお従前の例による。 suppl-4221-6/art-13/par-2 · https://japanlaw.org/en/corporation-tax-act/suppl-4221-6/art-13/par-2 · https://japanlaw.org/l/340AC0000000034/suppl-4221-6/art-13/par-2 With regard to the first consolidated business year prescribed in Article 15-2, paragraph (1) of the Corporation Tax Act Before the October Changes in the case where, before October 1, 2010, another domestic corporation prescribed in paragraph (2) of that Article came to have, with a consolidated parent corporation, a full controlling interest held by that consolidated parent corporation as prescribed in paragraph (1), item (vi) of that Article, the provisions then in force continue to govern. machine translation, not official ## Cited by 1 provision cites this one. No official source publishes this direction. - 法人税法 附則第一条第一項第三号ロ（施行期日） — https://japanlaw.org/en/corporation-tax-act/suppl-4221-6/art-1/par-1/item-3/sub-2 · https://japanlaw.org/l/340AC0000000034/suppl-4221-6/art-1/par-1/item-3/sub-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 法人税法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/340AC0000000034/20261001_508AC0000000012), retrieved 2026-10-08 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Corporation Tax Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3115/tb), retrieved 2026-10-08 - claude-opus-5-5 — Machine translation, batch corporation-tax-act-20261008T111236-113, translated 2026-10-08 - claude-opus-5-5 — Machine translation, batch corporation-tax-act-20261008T121854-005, translated 2026-10-08 - This site's parser, version 165 — 法人税法 — structure, counts, cross-references and defined terms, computed 2026-10-08