# 医師法 / Medical Practitioners' Act — 附　則 (Supplementary Provisions)

- Law: 医師法 (Medical Practitioners' Act), 昭和二十三年法律第二百一号
- English title "Medical Practitioners' 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: 附　則 (Supplementary Provisions) — address `suppl-4111-151`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000201/suppl-4111-151
- 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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## 附　則 平成一一年一二月八日法律第一五一号
<sup>suppl-4111-151 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151</sup>

### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4111-151/art-1 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-1 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-1</sup>

**第一項**  この法律は、平成十二年四月一日から施行する。
<sup>suppl-4111-151/art-1/par-1 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-1/par-1 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-1/par-1</sup>
This Act comes into effect on April 1, 2000.
<sup>machine translation, not official</sup>

### 第三条（経過措置） — Transitional Measures
<sup>caption: machine translation, not official</sup>
<sup>suppl-4111-151/art-3 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-3 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-3</sup>

**第一項**  民法の一部を改正する法律（平成十一年法律第百四十九号）附則第三条第三項の規定により従前の例によることとされる準禁治産者及びその保佐人に関するこの法律による改正規定の適用については、次に掲げる改正規定を除き、なお従前の例による。
<sup>suppl-4111-151/art-3/par-1 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-3/par-1 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-3/par-1</sup>
With regard to the application of the amending provisions of this Act concerning a quasi-incompetent person and that person's curator for whom the provisions then in force are to remain applicable pursuant to the provisions of Article 3, paragraph (3) of the Supplementary Provisions of the Act Partially Amending the Civil Code (Act No. 149 of 1999), the provisions then in force continue to govern, excluding the amending provisions set forth below.
<sup>machine translation, not official</sup>

  **一から二十五まで**  略
  <sup>suppl-4111-151/art-3/par-1/item-1-to-25 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-3/par-1/item-1-to-25 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-3/par-1/item-1-to-25</sup>
  Omitted
  <sup>machine translation, not official</sup>

### 第四条
<sup>suppl-4111-151/art-4 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-4 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-4</sup>

**第一項**  この法律の施行前にした行為に対する罰則の適用については、なお従前の例による。
<sup>suppl-4111-151/art-4/par-1 · https://japanlaw.org/ja/medical-practitioners-act/suppl-4111-151/art-4/par-1 · https://japanlaw.org/l/323AC0000000201/suppl-4111-151/art-4/par-1</sup>
With regard to the application of penal provisions to acts committed before this Act comes into effect, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 医師法 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/323AC0000000201/20260521_505AC0000000063), retrieved 2026-10-09
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Medical Practitioners' Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3992/tb), retrieved 2026-10-09
- claude-sonnet-5-5 — Machine translation, batch medical-practitioners-act-20261009T095312-005, translated 2026-10-09
- This site's parser, version 165 — 医師法 — structure, counts, cross-references and defined terms, computed 2026-10-09