# 所得税法施行令 / Order for Enforcement of the Income Tax Act — 第百十八条 (Article 118) This is the Markdown twin of https://japanlaw.org/en/income-tax-act-enforcement-order/art-118. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - Law: 所得税法施行令 (Order for Enforcement of the Income Tax Act), 昭和四十年政令第九十六号 - English title "Order for Enforcement of the Income Tax Act": Ministry of Justice translation - Kind: CabinetOrder — 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: 第百十八条 (Article 118)（譲渡所得の基因となる有価証券の取得費等） — address `art-118` - Text in force since: 2026-05-22 - URL (the page that opens at this provision): https://japanlaw.org/en/income-tax-act-enforcement-order/art-118 - e-Gov law ID: 340CO0000000096 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page. - Every provision below carries its address and its URL 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. --- ### 第百十八条（譲渡所得の基因となる有価証券の取得費等） — Acquisition Costs, etc. of Securities Giving Rise to Capital Gains caption: machine translation, not official art-118 · https://japanlaw.org/en/income-tax-act-enforcement-order/art-118 **第一項** 居住者が法第四十八条第三項（譲渡所得の基因となる有価証券の取得費等の計算）に規定する二回以上にわたつて取得した同一銘柄の有価証券で雑所得又は譲渡所得の基因となるものを譲渡した場合には、その譲渡につき法第三十七条第一項（必要経費）の規定によりその者のその譲渡の日の属する年分の雑所得の金額の計算上必要経費に算入する金額又は法第三十八条第一項（譲渡所得の金額の計算上控除する取得費）の規定によりその者の当該年分の譲渡所得の金額の計算上取得費に算入する金額は、当該有価証券を最初に取得した時（その後既に当該有価証券の譲渡をしている場合には、直前の譲渡の時。以下この項において同じ。）から当該譲渡の時までの期間を基礎として、当該最初に取得した時において有していた当該有価証券及び当該期間内に取得した当該有価証券につき第百五条第一項第一号（総平均法）に掲げる総平均法に準ずる方法によつて算出した一単位当たりの金額により計算した金額とする。 art-118/par-1 · https://japanlaw.org/en/income-tax-act-enforcement-order/art-118/par-1 In the case where a Resident has transferred Securities of the same class that were acquired on two or more occasions as prescribed in Article 48, paragraph (3) (Calculation of Acquisition Costs, etc. of Securities Giving Rise to Capital Gains) of the Act and that give rise to miscellaneous income or capital gains, the amount to be included in necessary expenses in calculating the amount of miscellaneous income of that person for the year in which the date of that transfer falls pursuant to Article 37, paragraph (1) (Necessary Expenses) of the Act, or the amount to be included in acquisition cost in calculating the amount of capital gains of that person for that year pursuant to Article 38, paragraph (1) (Acquisition Costs Deducted to Calculate Capital Gains) of the Act, in respect of that transfer, is to be the amount calculated, based on the period from the time the Securities were first acquired (if those Securities have already been transferred since then, the time of the immediately preceding transfer; the same applies hereinafter in this paragraph) to the time of that transfer, by the amount per unit calculated by a method equivalent to the total average method set forth in Article 105, paragraph (1), item (i) (Total Average Method) for the Securities held at the time of that first acquisition and the Securities acquired during that period. machine translation, not official **第二項** 第百九条から前条までの規定は、前項に規定する所得の基因となる有価証券について準用する。 art-118/par-2 · https://japanlaw.org/en/income-tax-act-enforcement-order/art-118/par-2 The provisions of Articles 109 through the preceding Article apply mutatis mutandis to Securities that give rise to the income prescribed in the preceding paragraph. machine translation, not official --- ## Cites - art-118/par-1: 法第四十八条第三項 → 所得税法 第四十八条第三項 (Article 48, paragraph (3)), art-48/par-3 — https://japanlaw.org/en/income-tax-act/art-48/par-3 (e-Gov law ID 340AC0000000033) - art-118/par-1: 法第三十七条第一項 → 所得税法 第三十七条第一項 (Article 37, paragraph (1)), art-37/par-1 — https://japanlaw.org/en/income-tax-act/art-37/par-1 (e-Gov law ID 340AC0000000033) - art-118/par-1: 法第三十八条第一項 → 所得税法 第三十八条第一項 (Article 38, paragraph (1)), art-38/par-1 — https://japanlaw.org/en/income-tax-act/art-38/par-1 (e-Gov law ID 340AC0000000033) - art-118/par-1: この項 → 所得税法施行令 第百十八条第一項 (Article 118, paragraph (1)), art-118/par-1 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-118/par-1 - art-118/par-1: 第百五条第一項第一号 → 所得税法施行令 第百五条第一項第一号 (Article 105, paragraph (1), item (i)), art-105/par-1/item-1 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-105/par-1/item-1 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百九条 (Article 109), art-109 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-109 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十条 (Article 110), art-110 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-110 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十一条 (Article 111), art-111 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-111 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十二条 (Article 112), art-112 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-112 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十三条 (Article 113), art-113 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-113 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十三条の二 (Article 113-2), art-113-2 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-113-2 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十四条 (Article 114), art-114 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-114 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十五条 (Article 115), art-115 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-115 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十六条 (Article 116), art-116 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-116 - art-118/par-2: 第百九条から前条まで → 所得税法施行令 第百十七条 (Article 117), art-117 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-117 - art-118/par-2: 前項 → 所得税法施行令 第百十八条第一項 (Article 118, paragraph (1)), art-118/par-1 — https://japanlaw.org/en/income-tax-act-enforcement-order/art-118/par-1 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 所得税法施行令 第百十八条第一項（譲渡所得の基因となる有価証券の取得費等） — https://japanlaw.org/en/income-tax-act-enforcement-order/art-118/par-1 - 所得税法施行令 第百十八条第二項（譲渡所得の基因となる有価証券の取得費等） — https://japanlaw.org/en/income-tax-act-enforcement-order/art-118/par-2 - 所得税法施行令 第百十九条第一項（信用取引等による株式又は公社債の取得価額） — https://japanlaw.org/en/income-tax-act-enforcement-order/art-119/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 所得税法施行令 — the text in force from 2026-05-22 (https://laws.e-gov.go.jp/law/340CO0000000096/20260522_508CO0000000093), retrieved 2026-11-06 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Order for Enforcement of the Income Tax Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3121/tb), retrieved 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch income-tax-act-enforcement-order-20261106T173921-032, translated 2026-11-07 - This site's parser, version 229 — 所得税法施行令 — structure, counts, cross-references and defined terms, computed 2026-11-06