Enforcement record

Directive against 有限会社井口左官工業所

有限会社井口左官工業所 (Construction Business Act)

This page is one enforcement record linked to a confirmed legal entity. Company-level Official Gazette notices, registry data, related-company signals, and other public records are collected on the company profile.

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Construction Business ActOkayama PrefectureConfirmed entity match18 September 2025

Action type

Directive

Law

Construction Business Act

Authority

Okayama Prefecture

Action date

18 September 2025

RegBase evidence report

Japanese public-record enforcement check

Saveable record of the confirmed target entity, regulator disclosure, source status, and review notes for internal compliance files.

Report ID: RB-EN-ENFORCEMENT-KENSETSU-GYOHO-JI-202607260744
Generated at: 26 July 2026 at 16:44
Record URL: https://regbase.jp/en/enforcement/kensetsu-gyoho-jing-kou-zuo-guan-gong-ye-suo-20250918

1. Review Summary

Target entity	有限会社井口左官工業所	Corporate Number	5260002032721
Enforcement record	1 record	Other confirmed records for this company	0 records
Action date	18 September 2025	Authority	Okayama Prefecture
Law	Construction Business Act	Action type	Directive
Source status	Official source recorded; preserved archive is being prepared

This report summarizes public Japanese government disclosure data held by RegBase. It is not a credit score, sanctions conclusion, legal opinion, or adverse-media determination. Confirm important decisions against the linked official Japanese source.

2. Target Entity

English display name	有限会社井口左官工業所
Original Japanese name	有限会社井口左官工業所
English-name source	Japanese original
Corporate Number	5260002032721
Company status	Active
Representative	井口勝義
Registered address	岡山県玉野市八浜町見石１６０７番地の８２
Industry / capital	Industry: 建設業 / Capital: -

3. Enforcement Record

Target name in disclosure	有限会社井口左官工業所
Authority	Okayama Prefecture (岡山県)
Law / action type	Construction Business Act / Directive
Action / announcement date	Action: 18 September 2025 / Announcement: 25 April 2026
English summary	The company Iguchi Sakanko Kogyo Co., Ltd. has previously been instructed by Okayama Prefecture for failing to submit documents required under Article 11, Paragraph 2 of the Construction Business Act within four months after each fiscal year over the past five fiscal years. Despite this, the company has again submitted the documents well beyond the deadline, with no improvement observed. This constitutes a violation of Article 11, Paragraph 2 of the Construction Business Act, and an order to instruct is issued based on Article 28, Paragraph 1 of the same Act.
Original Japanese text	（有）井口左官工業所は、過去にも直近５事業年度の建設業法第１１条第２項に規定する書類を毎事業年度経過後４月以内に届出せず岡山県から指導を受けているにも関わらず、再度、大幅に届出期限を超過して届出しており、改善が見られない。このことは、建設業法第１１条第２項に違反するため、同法第２８条第１項に基づき指示処分とする。
Official source	https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1799
Extraction / evidence timestamps	Extracted: 25 July 2026 at 04:14 / Evidence checked: 25 July 2026 at 04:14 / Archive captured: Not recorded

4. Business Location and Permit Details

Business location address	岡山県玉野市八浜町見石１６０７－８２
Representative	井口勝義
Permit / registration number	岡山県知事（般－７）第１７４１０号
Permitted business types	Building works, Carpentry works, Plastering works, Stone works, Roof works, Tile, brick, and block works, Sheet-metal works, Glass works, Painting works, Waterproofing works, Interior finishing works, Thermal insulation works, Fittings works
Legal articles	建設業法第２８条第１項（建設業法第１１条第２項違反）
Cause of action	（有）井口左官工業所は、過去にも直近５事業年度の建設業法第１１条第２項に規定する書類を毎事業年度経過後４月以内に届出せず岡山県から指導を受けているにも関わらず、再度、大幅に届出期限を超過して届出しており、改善が見られない。このことは、建設業法第１１条第２項に違反するため、同法第２８条第１項に基づき指示処分とする。
Overview page	https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1799

5. Other Confirmed Records for This Company

No other confirmed enforcement records linked to this company are shown within the current RegBase coverage.

Reviewer Notes

Reviewer		Team / company
Review purpose
Additional notes

□ Official source URL or archived source was checked.
□ Corporate Number, address, or other identifiers were reviewed to avoid confusing similarly named entities.
□ This document is understood as a public-record evidence file, not a credit decision or legal opinion.

Current page: Enforcement record

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/api/v1/enforcements?corporate_number=5260002032721&limit=10

Open JSON Specs

Action summary

Company: 有限会社井口左官工業所Japanese original
Original: 有限会社井口左官工業所
Corporate Number: 5260002032721
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: 18 September 2025
Issuing authority: Okayama Prefecture
岡山県
Industry context: 建設業者

Violation

Machine-translated summary — verify against original

The company Iguchi Sakanko Kogyo Co., Ltd. has previously been instructed by Okayama Prefecture for failing to submit documents required under Article 11, Paragraph 2 of the Construction Business Act within four months after each fiscal year over the past five fiscal years. Despite this, the company has again submitted the documents well beyond the deadline, with no improvement observed. This constitutes a violation of Article 11, Paragraph 2 of the Construction Business Act, and an order to instruct is issued based on Article 28, Paragraph 1 of the same Act.

Show original Japanese text

（有）井口左官工業所は、過去にも直近５事業年度の建設業法第１１条第２項に規定する書類を毎事業年度経過後４月以内に届出せず岡山県から指導を受けているにも関わらず、再度、大幅に届出期限を超過して届出しており、改善が見られない。このことは、建設業法第１１条第２項に違反するため、同法第２８条第１項に基づき指示処分とする。

Business location and permit details

Business location address: 岡山県玉野市八浜町見石１６０７－８２
Representative: 井口勝義
Permit / registration number: 岡山県知事（般－７）第１７４１０号
Permitted business types: Building works, Carpentry works, Plastering works, Stone works, Roof works, Tile, brick, and block works, Sheet-metal works, Glass works, Painting works, Waterproofing works, Interior finishing works, Thermal insulation works, Fittings works
Legal articles: 建設業法第２８条第１項（建設業法第１１条第２項違反）
Cause of action: （有）井口左官工業所は、過去にも直近５事業年度の建設業法第１１条第２項に規定する書類を毎事業年度経過後４月以内に届出せず岡山県から指導を受けているにも関わらず、再度、大幅に届出期限を超過して届出しており、改善が見られない。このことは、建設業法第１１条第２項に違反するため、同法第２８条第１項に基づき指示処分とする。
Overview page: https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1799

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

Compliance context

Medium

A regulator issued a directive requiring specified action.

Construction business law covering licensing, contractor obligations, and public-interest rules for construction work.

Verify the required action and whether the company has disclosed remediation or completion.

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

Evidence pack

Original Okayama Prefecture source (Japanese)

Extracted at: 2026-07-24T19:14:21.86+00:00
Evidence checked: 2026-07-24T19:14:21.51+00:00
Archive captured: Not archived

Show audit JSON

{
  "record": {
    "id": "4a3f0fe5-7a33-4cef-b564-20e84aaf92d3",
    "url": "https://regbase.jp/en/enforcement/kensetsu-gyoho-jing-kou-zuo-guan-gong-ye-suo-20250918",
    "company_name_original": "有限会社井口左官工業所",
    "company_name_registry": "有限会社井口左官工業所",
    "corporate_number": "5260002032721",
    "law": {
      "ja": "建設業法",
      "en": "Construction Business Act"
    },
    "action_type": {
      "ja": "指示",
      "en": "Directive"
    },
    "authority": {
      "ja": "岡山県",
      "en": "Okayama 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-jing-kou-zuo-guan-gong-ye-suo-20250918",
    "officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=kensetugyousya&EID=search&no=1799",
    "officialDocumentUrl": null,
    "archiveUrl": null,
    "archivedSourceUrl": null,
    "archiveCapturedAt": null,
    "extractedAt": "2026-07-24T19:14:21.86+00:00",
    "translatedAt": "2026-05-01T07:39:03.344+00:00",
    "evidenceCheckedAt": "2026-07-24T19:14:21.51+00:00",
    "generatedAt": "2026-07-26T07:44:35.173Z"
  },
  "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.

Language

日本語版を見る (Japanese)

Company info

English name: 有限会社井口左官工業所 Japanese original
Japanese name: 有限会社井口左官工業所
Corporate Number: 5260002032721
Registered address: 岡山県玉野市八浜町見石１６０７番地の８２

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About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.