# 消費税法 / Consumption Tax Act — 第百七十一条 (Supplementary Provisions, Article 171)

- Law: 消費税法 (Consumption Tax Act), 昭和六十三年法律第百八号
- English title "Consumption Tax Act": Ministry of Justice translation database, which lists the title
- 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: 第百七十一条 (Supplementary Provisions, Article 171)（消費税の軽減税率制度の円滑な導入・運用等に向けた措置） — address `suppl-4281-15/art-171`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/consumption-tax-act/suppl-4281-15/art-171
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/363AC0000000108/suppl-4281-15/art-171
- 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.

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### 第百七十一条（消費税の軽減税率制度の円滑な導入・運用等に向けた措置） — Measures for the Smooth Introduction and Operation, etc. of the Reduced Tax Rate System for Consumption Tax
<sup>caption: machine translation, not official</sup>
<sup>suppl-4281-15/art-171 · https://japanlaw.org/en/consumption-tax-act/suppl-4281-15/art-171 · https://japanlaw.org/l/363AC0000000108/suppl-4281-15/art-171</sup>

**第一項**  政府は、消費税の軽減税率制度の導入に当たり混乱が生じないよう万全の準備を進めるために必要な体制を整備し、消費税の軽減税率制度の周知及び事業者の準備に係る相談対応を行うとともに、事業者の準備状況及び政府における取組の状況を検証しつつ、必要に応じて、消費税の軽減税率制度の円滑な導入及び運用に資するための必要な措置を講ずるものとする。
<sup>suppl-4281-15/art-171/par-1 · https://japanlaw.org/en/consumption-tax-act/suppl-4281-15/art-171/par-1 · https://japanlaw.org/l/363AC0000000108/suppl-4281-15/art-171/par-1</sup>
In introducing the reduced tax rate system for consumption tax, the government is to put in place the system necessary for making thorough preparations so that no confusion arises, to make the reduced tax rate system for consumption tax widely known and respond to consultations concerning the preparations of business operators, and, while verifying the state of preparations of business operators and the state of the government's efforts, to take, as necessary, the measures necessary to contribute to the smooth introduction and operation of the reduced tax rate system for consumption tax.
<sup>machine translation, not official</sup>

**第二項**  政府は、消費税の軽減税率制度の円滑な運用及び適正な課税を確保する観点から、中小事業者の経営の高度化を促進しつつ、消費税の軽減税率制度の導入後三年以内を目途に、適格請求書等保存方式の導入に係る事業者の準備状況及び事業者取引への影響の可能性、消費税の軽減税率制度の導入による簡易課税制度への影響並びに消費税の軽減税率制度の導入に伴う経過措置の適用状況などを検証し、必要があると認めるときは、その結果に基づいて法制上の措置その他の必要な措置を講ずるものとする。
<sup>suppl-4281-15/art-171/par-2 · https://japanlaw.org/en/consumption-tax-act/suppl-4281-15/art-171/par-2 · https://japanlaw.org/l/363AC0000000108/suppl-4281-15/art-171/par-2</sup>
From the viewpoint of ensuring the smooth operation of the reduced tax rate system for consumption tax and proper taxation, the government is to, while promoting the advancement of the management of small and medium-sized business operators, verify, targeting a period within three years after the introduction of the reduced tax rate system for consumption tax, the state of preparations of business operators for the introduction of the qualified invoice, etc. preservation method and its possible impact on transactions between business operators, the impact of the introduction of the reduced tax rate system for consumption tax on the simplified taxation system, and the state of application of the transitional measures accompanying the introduction of the reduced tax rate system for consumption tax, and, where it finds it necessary, take legislative and other necessary measures based on the results.
<sup>machine translation, not official</sup>

## Cited by

1 provision cites this one. No official source publishes this direction.

- 消費税法 附則第百七十条第一項（消費税の軽減税率制度の導入に当たっての必要な措置） — https://japanlaw.org/en/consumption-tax-act/suppl-4281-15/art-170/par-1 · https://japanlaw.org/l/363AC0000000108/suppl-4281-15/art-170/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 消費税法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/363AC0000000108/20261001_507AC0000000070), retrieved 2026-10-13
- Japanese Law Translation Database System, Ministry of Justice (法務省) — 消費税法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/1176), retrieved 2026-09-18
- claude-sonnet-5-5 — Machine translation, batch consumption-tax-act-20261013T073630-059, translated 2026-10-13
- This site's parser, version 190 — 消費税法 — structure, counts, cross-references and defined terms, computed 2026-10-13
