Action summary

Company

西武造園株式会社Japanese original

Original: 西武造園株式会社

Corporate Number: 2013301006241

Entity match

Confirmed entity match100/100Machine checked

source_corporate_number_nta_current_name

国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。

Governing law

Construction Business Act

建設業法

Action type

Directive

指示

Action date

21 July 2023

Issuing authority

Kantō Regional Development Bureau

関東地方整備局

Industry context

建設業者

Violation

Seibu Zouen Co., Ltd. violated Article 15, Item 2 of the Construction Business Act by assigning personnel who did not meet qualification requirements as the sole technical engineer at its office. This violation is recognized as falling under Article 28, Paragraph 1 of the Act. The company was instructed by the Kanto Regional Development Bureau to take measures to prevent recurrence, including promptly informing staff of the violation and related sanctions, conducting training to ensure compliance with the law, and reviewing and strengthening internal management systems. The company is also required to report in writing the measures taken. The violation was related to the placement of unqualified personnel as the technical engineer at the office located at 5-1-34 Nagasaki, Toshima-ku, Tokyo. The permit number is 国土交通大臣（特－３）第009692号, and the incident occurred on July 21, 2023.

Business location and permit details

Business location address

東京都豊島区長崎５－１－３４

Representative

大嶋 聡

Permit / registration number

国土交通大臣（特－３）第009692号

Permitted business types

Civil engineering works, Building works, Scaffolding, earthwork, and concrete works, Stone works, Electrical works, 夕, Paving works, Landscaping works, Water facilities works, Demolition works

Legal articles

建設業法第28条第1項本文

Cause of action

西武造園株式会社は、建設業法第１５条第２号の規定に違反して、資格要件を満たさない者を営業所の専任技術者として配置していた。 このことが、建設業法第２８条第１項本文に該当すると認められる。

Overview page

https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1223

These fields are extracted from the original Japanese disclosure or linked overview pages when available.

This context is an operational aid for review workflows, not a credit opinion or legal conclusion.

Evidence pack

{
  "record": {
    "id": "a947840b-2e2e-4397-839a-17a4c2a5e2cf",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-xi-wu-zao-yuan-20230721",
    "company_name_original": "西武造園株式会社",
    "company_name_registry": "西武造園株式会社",
    "corporate_number": "2013301006241",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "関東地方整備局",
      "en": "Kantō Regional Development Bureau"
    }
  },
  "entity_match": {
    "status": "confirmed",
    "confidence": 100,
    "method": "source_corporate_number_nta_current_name",
    "method_label": "source_corporate_number_nta_current_name",
    "notes": "国税庁法人番号データとの独立照合で対象法人を確認しました（source_corporate_number_nta_current_name）。"
  },
  "review": {
    "status": "machine_reviewed",
    "label": "Machine checked"
  },
  "compliance_context": {
    "severity": "Medium",
    "actionMeaning": "A regulator issued a directive requiring specified action.",
    "practicalNote": "Verify the required action and whether the company has disclosed remediation or completion.",
    "lawContext": "Construction business law covering licensing, contractor obligations, and public-interest rules for construction work."
  },
  "evidence": {
    "recordUrl": "https://regbase.jp/en/enforcement/kensetsu-gyoho-xi-wu-zao-yuan-20230721",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1223",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T15:20:19.133+00:00",
    "evidenceCheckedAt": "2026-07-17T08:51:02.797+00:00",
    "generatedAt": "2026-07-28T15:25:02.940Z"
  },
  "limitations": [
    "RegBase aggregates public Japanese government disclosures and does not provide a credit opinion.",
    "English summaries are provided for reference. The original Japanese source is authoritative.",
    "Possible or unresolved entity matches should be manually verified before use in a decision."
  ]
}

The original Japanese disclosure is the authoritative record. Use possible or unresolved matches only as leads for manual review.