Action summary

Company

有限会社桑原配管工業所Japanese original

Original: 有限会社桑原配管工業所

Corporate Number: 8090002011938

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 September 2022

Issuing authority

Yamanashi Prefecture

山梨県

Industry context

建設業者

Violation

Kuwahara Piping Works Ltd. was ordered by Yamanashi Prefecture to take necessary measures to prevent recurrence of violations of the Construction Business Act. The violations include: (1) engaging in construction work without the required license under Article 3, Paragraph 1 of the Act, exceeding the scope of minor work defined in Enforcement Order Article 1-2, Paragraph 1, and entering subcontract agreements accordingly, which violates Article 28, Paragraph 1, Item 6 of the Act; (2) failing to assign a dedicated chief engineer to private-sector projects requiring such personnel under Article 26, Paragraph 3 of the Act, instead having the chief engineer perform other duties, which violates Article 28, Paragraph 1, Item 2 of the Act. The order mandates the company to promptly inform its staff of the violations and the measures taken, review its operational procedures, establish supervision systems, and conduct ongoing training to ensure compliance.

Business location and permit details

Business location address

山梨県富士吉田市大明見5丁目9番8号

Representative

桑原 勝徳

Permit / registration number

山梨県知事（般－2）8889号

Permitted business types

Pipe works

Legal articles

建設業法第28条第1項

Cause of action

有限会社桑原配管工業所は、民間工事において、建設業法第３条第１項第の許可を受けないで建設業を営む者と同法施行令第１条の２第１項で定める軽微な工事の範囲を超えて、下請契約を締結した。このことが建設業法第２８条第１項第６号に該当する。 また、民間発注工事において、建設業法第２６条第３項の規定に違反して、主任技術者を専任で配置しなければならない工事であるにも関わらず、主任技術者に他の工事を兼務させ、工事現場に専任の主任技術者を配置しなかった。このことは、建設業法第２８条第１項２号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=514

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": "1500bd1a-eb28-4b68-8cb8-88e0b574ebf6",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-sang-yuan-pei-guan-gong-ye-suo-20220921",
    "company_name_original": "有限会社桑原配管工業所",
    "company_name_registry": "有限会社桑原配管工業所",
    "corporate_number": "8090002011938",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "山梨県",
      "en": "Yamanashi Prefecture"
    }
  },
  "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-sang-yuan-pei-guan-gong-ye-suo-20220921",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=514",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-17T11:56:25.97+00:00",
    "translatedAt": "2026-07-18T13:50:21.2+00:00",
    "evidenceCheckedAt": "2026-07-17T08:55:35.988+00:00",
    "generatedAt": "2026-07-24T20:31:03.469Z"
  },
  "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.