# 社会保険労務士法 / Act on Public Consultants on Social and Labour Insurance — 第二十五条の二十三 (Article 25-23)

- Law: 社会保険労務士法 (Act on Public Consultants on Social and Labour Insurance), 昭和四十三年法律第八十九号
- English title "Act on Public Consultants on Social and Labour Insurance": 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: 第二十五条の二十三 (Article 25-23)（合併） — address `art-25-23`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-23
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/343AC1000000089/art-25-23
- 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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### 第二十五条の二十三（合併） — Merger
<sup>caption: machine translation, not official</sup>
<sup>art-25-23 · https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-23 · https://japanlaw.org/l/343AC1000000089/art-25-23</sup>

**第一項**  社会保険労務士法人は、総社員の同意があるときは、他の社会保険労務士法人と合併することができる。
<sup>art-25-23/par-1 · https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-23/par-1 · https://japanlaw.org/l/343AC1000000089/art-25-23/par-1</sup>
A labor and social security attorney corporation may merge with another labor and social security attorney corporation if there is the consent of all members.
<sup>machine translation, not official</sup>

**第二項**  合併は、合併後存続する社会保険労務士法人又は合併により設立する社会保険労務士法人が、その主たる事務所の所在地において登記をすることによつて、その効力を生ずる。
<sup>art-25-23/par-2 · https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-23/par-2 · https://japanlaw.org/l/343AC1000000089/art-25-23/par-2</sup>
A merger takes effect when the labor and social security attorney corporation that survives the merger or the labor and social security attorney corporation established by the merger registers at the location of its principal office.
<sup>machine translation, not official</sup>

**第三項**  社会保険労務士法人は、合併したときは、合併の日から二週間以内に、登記事項証明書（合併により設立する社会保険労務士法人にあつては、登記事項証明書及び定款の写し）を添えて、その旨を、主たる事務所の所在地の社会保険労務士会を経由して、連合会に届け出なければならない。
<sup>art-25-23/par-3 · https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-23/par-3 · https://japanlaw.org/l/343AC1000000089/art-25-23/par-3</sup>
When a labor and social security attorney corporation has merged, it must, within two weeks from the date of the merger, notify the Federation to that effect, attaching a certificate of registered information (in the case of a labor and social security attorney corporation established by the merger, a certificate of registered information and a copy of the articles of incorporation), via the labor and social security attorney's association for the location of the principal office.
<sup>machine translation, not official</sup>

**第四項**  合併後存続する社会保険労務士法人又は合併により設立する社会保険労務士法人は、当該合併により消滅する社会保険労務士法人の権利義務を承継する。
<sup>art-25-23/par-4 · https://japanlaw.org/en/labor-and-social-security-attorney-act/art-25-23/par-4 · https://japanlaw.org/l/343AC1000000089/art-25-23/par-4</sup>
The labor and social security attorney corporation that survives the merger or the labor and social security attorney corporation established by the merger succeeds to the rights and obligations of the labor and social security attorney corporation that ceases to exist due to that merger.
<sup>machine translation, not official</sup>

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 社会保険労務士法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/343AC1000000089/20261001_507AC0000000063), retrieved 2026-10-18
- Japanese Law Translation Database System, Ministry of Justice (法務省) — 社会保険労務士法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/903), retrieved 2026-09-18
- claude-sonnet-5-5 — Machine translation, batch labor-and-social-security-attorney-act-20261018T205451-009, translated 2026-10-19
- This site's parser, version 209 — 社会保険労務士法 — structure, counts, cross-references and defined terms, computed 2026-10-18