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Industrial Safety and Health Act

労働安全衛生法(ろうどうあんぜんえいせいほう)

Chapter VII Measures to Help Maintain and Improve Workers' Health (Articles 64 to 66-8)

The law as Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) leaves it, with the words it changes marked.

The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.

Chapter VII Measures to Help Maintain and Improve Workers' Health第七章 健康の保持増進のための措置

Article 64第六十四条

Article 64, paragraph (1)

Deleted

削除

Article 65第六十五条

Work Environment Monitoring(作業環境測定)
Article 65, paragraph (1)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must conduct the necessary work environment monitoring for indoor and other workspaces in which hazardous operations take place that are specified by Cabinet Order, and keep records of the results.

事業者は、有害な業務を行う屋内作業場その他の作業場で、政令で定めるものについて、厚生労働省令で定めるところにより、必要な作業環境測定を行い、及びその結果を記録しておかなければならない。

Article 65, paragraph (2)

An employer is to undertake the work environment monitoring under the provisions of the preceding paragraph in accordance with the standards for work environment monitoring established by the Minister of Health, Labour and Welfare.

前項の規定による作業環境測定は、厚生労働大臣の定める作業環境測定基準に従つて行わなければならない。

Article 65, paragraph (3)

The Minister of Health, Labour and Welfare is to release the necessary guidelines for work environment monitoring to ensure the appropriate and effective implementation of work environment monitoring under the provisions of paragraph (1).

厚生労働大臣は、第一項の規定による作業環境測定の適切かつ有効な実施を図るため必要な作業環境測定指針を公表するものとする。

Article 65, paragraph (4)

Having released guidelines for work environment monitoring as referred to in the preceding paragraph, and on finding it to be necessary to do so, the Minister of Health, Labour and Welfare may providethe necessary guidance on those guidelines for work environment monitoring to employers, work environment monitoring agencies, and associations thereof.

厚生労働大臣は、前項の作業環境測定指針を公表した場合において必要があると認めるときは、事業者若しくは作業環境測定機関又はこれらの団体に対し、当該作業環境測定指針に関し必要な指導等を行うことができる。

Article 65, paragraph (5)

On finding it to be necessary to help maintain the health of workers by improving the work environment, the Director of the Prefectural Labour Bureau may, based on the opinion of a senior industrial health physician, instruct the employer to carry out work environment monitoring or take other necessary measures, pursuant to Order of the Ministry of Health, Labour and Welfare.

都道府県労働局長は、作業環境の改善により労働者の健康を保持する必要があると認めるときは、労働衛生指導医の意見に基づき、厚生労働省令で定めるところにより、事業者に対し、作業環境測定の実施その他必要な事項を指示することができる。

Article 65-2第六十五条の二

Assessment of the Results of Working Environment Monitoring(作業環境測定の結果の評価等)
Article 65-2, paragraph (1)

Based on an assessment of the results of work environment monitoring under the provisions of paragraph (1) or (5) of the preceding Article, on finding it to be necessary to do so in order to help maintain the health of workers, an employer must provide or streamline the necessary facilities or equipment, implement medical checkups, and take other appropriate measures, pursuant to Order of the Ministry of Health, Labour and Welfare.

事業者は、前条第一項又は第五項の規定による作業環境測定の結果の評価に基づいて、労働者の健康を保持するため必要があると認められるときは、厚生労働省令で定めるところにより、施設又は設備の設置又は整備、健康診断の実施その他の適切な措置を講じなければならない。

Article 65-2, paragraph (2)

In conducting an assessment as referred to in the preceding paragraph, an employer must follow the work environment assessment standards established by the Minister of Health, Labour and Welfare, pursuant to Order of the Ministry of Health, Labour and Welfare.

事業者は、前項の評価を行うに当たつては、厚生労働省令で定めるところにより、厚生労働大臣の定める作業環境評価基準に従つて行わなければならない。

Article 65-2, paragraph (3)

Having conducted an assessment of the results of work environment monitoring as under the provisions of the preceding paragraph, an employer must keep records of the results of that assessment pursuant to Order of the Ministry of Health, Labour and Welfare.

事業者は、前項の規定による作業環境測定の結果の評価を行つたときは、厚生労働省令で定めるところにより、その結果を記録しておかなければならない。

Article 65-3第六十五条の三

Work Environment Monitoring Conducted When Taking Measures, etc. to Prevent Health Impairments(健康障害の防止のための措置等に当たつて行う作業環境測定)
Article 65-3, paragraph (1)

Beyond what is provided for in paragraph (1) of Article 65, when taking the measures referred to in Article 22 in a case specified by Order of the Ministry of Health, Labour and Welfare, an employer must conduct work environment monitoring pursuant to Order of the Ministry of Health, Labour and Welfare.

事業者は、第六十五条第一項に規定するもののほか、第二十二条の措置を講ずる場合であつて厚生労働省令で定めるときは、厚生労働省令で定めるところにより、作業環境測定を行わなければならない。

Article 65-3, paragraph (2)

Beyond what is provided for in paragraph (1) of Article 65 and the preceding paragraph, when taking the measures referred to in paragraph (1) of the preceding Article in a case specified by Order of the Ministry of Health, Labour and Welfare, an employer must conduct work environment monitoring pursuant to Order of the Ministry of Health, Labour and Welfare.

事業者は、第六十五条第一項及び前項に規定するもののほか、前条第一項の措置を講ずる場合であつて厚生労働省令で定めるときは、厚生労働省令で定めるところにより、作業環境測定を行わなければならない。

Article 65-3, paragraph (3)

In conducting the assessment under the provisions of paragraph (1) of Article 57-3, an employer is to conduct work environment monitoring as necessary.

事業者は、第五十七条の三第一項の規定による調査を行うに当たり、必要に応じて、作業環境測定を行うものとする。

Article 65-3, paragraph (4)

Work environment monitoring under the provisions of the preceding three paragraphs must be conducted in accordance with the standards for work environment monitoring prescribed in paragraph (2) of Article 65.

前三項の規定による作業環境測定は、第六十五条第二項に規定する作業環境測定基準に従つて行わなければならない。

Article 65-4第六十五条の四

Management of Work(作業の管理)
Article 65-4, paragraph (1)

An employer must endeavor to make considerations for the health of workers and properly manage their work.

事業者は、労働者の健康に配慮して、労働者の従事する作業を適切に管理するように努めなければならない。

Article 65-5第六十五条の五

Restrictions on Working Hours(作業時間の制限)
Article 65-5, paragraph (1)

An employer must not have a worker who engages in underwater operations or any operations that could cause the worker's health to be impaired and that are specified by Order of the Ministry of Health, Labour and Welfare, engage in those operations in violation of the standards concerning working hours specified by Order of the Ministry of Health, Labour and Welfare.

事業者は、潜水業務その他の健康障害を生ずるおそれのある業務で、厚生労働省令で定めるものに従事させる労働者については、厚生労働省令で定める作業時間についての基準に違反して、当該業務に従事させてはならない。

Article 66第六十六条

Medical Checkups(健康診断)
Article 66, paragraph (1)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must have workers undergo medical checkups by a physician (excluding the medical checkups prescribed in the provisions of paragraph (1) of Article 66-10; hereinafter the same applies in this and the following Articles).

事業者は、労働者に対し、厚生労働省令で定めるところにより、医師による健康診断(第六十六条の十第一項に規定する検査を除く。以下この条及び次条において同じ。)を行わなければならない。

Article 66, paragraph (2)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must implement medical checkups by a physician regarding customized test items for workers engaged in hazardous work operations specified by Cabinet Order. The same applies for workers that the employer has ever had engage in hazardous work operations specified by Cabinet Order and who it currently employs.

事業者は、有害な業務で、政令で定めるものに従事する労働者に対し、厚生労働省令で定めるところにより、医師による特別の項目についての健康診断を行なわなければならない。有害な業務で、政令で定めるものに従事させたことのある労働者で、現に使用しているものについても、同様とする。

Article 66, paragraph (3)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must implement medical checkups by a dentist for the workers engaged in the hazardous work operations specified by Cabinet Order.

事業者は、有害な業務で、政令で定めるものに従事する労働者に対し、厚生労働省令で定めるところにより、歯科医師による健康診断を行なわなければならない。

Article 66, paragraph (4)

On finding it to be necessary to do so in order to help maintain the health of workers, the Director of the Prefectural Labour Bureau may instruct employers on the basis of the opinions of a senior industrial health physician and pursuant to Order of the Ministry of Health, Labour and Welfare, to implement extra medical checkups or otherwise do as is necessary.

都道府県労働局長は、労働者の健康を保持するため必要があると認めるときは、労働衛生指導医の意見に基づき、厚生労働省令で定めるところにより、事業者に対し、臨時の健康診断の実施その他必要な事項を指示することができる。

Article 66, paragraph (5)

A worker must undergo a medical checkup that the employer implements pursuant to the provisions of the preceding paragraphs; provided, however, that this does not apply if a worker who does not desire to undergo the medical checkup by the physician or dentist designated by the employer undergoes a medical checkup by another physician or dentist that is equivalent to the medical checkup under these provisions, and submits a document to the employer certifying the results.

労働者は、前各項の規定により事業者が行なう健康診断を受けなければならない。ただし、事業者の指定した医師又は歯科医師が行なう健康診断を受けることを希望しない場合において、他の医師又は歯科医師の行なうこれらの規定による健康診断に相当する健康診断を受け、その結果を証明する書面を事業者に提出したときは、この限りでない。

Article 66-2第六十六条の二

Submission of the Results of Self-Initiated Medical Checkups(自発的健康診断の結果の提出)
Article 66-2, paragraph (1)

A worker engaged in work between 10 p.m. and 5 a.m. (or 11 p.m. to 6 a.m. for the area or period designated by the Minister of Health, Labour and Welfare as required; hereinafter referred to as "night work") whose frequency of night work and other particulars fall under the requirements provided for by Order of the Ministry of Health, Labour and Welfare in consideration of helping to maintain the health of workers engaged in night work, may submit to the employer a document certifying the results of a medical checkup that the worker has undergone at the worker's own initiative (this excludes a medical checkup as referred to in the proviso of paragraph (5) of the preceding Article), pursuant to Order of the Ministry of Health, Labour and Welfare.

午後十時から午前五時まで(厚生労働大臣が必要であると認める場合においては、その定める地域又は期間については午後十一時から午前六時まで)の間における業務(以下「深夜業」という。)に従事する労働者であつて、その深夜業の回数その他の事項が深夜業に従事する労働者の健康の保持を考慮して厚生労働省令で定める要件に該当するものは、厚生労働省令で定めるところにより、自ら受けた健康診断(前条第五項ただし書の規定による健康診断を除く。)の結果を証明する書面を事業者に提出することができる。

Article 66-3第六十六条の三

Recording Medical Checkup Results(健康診断の結果の記録)
Article 66-3, paragraph (1)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must record the results of medical checkups under the provisions of paragraphs (1) through (4) and the proviso in paragraph (5) of Article 66, and the preceding Article.

事業者は、厚生労働省令で定めるところにより、第六十六条第一項から第四項まで及び第五項ただし書並びに前条の規定による健康診断の結果を記録しておかなければならない。

Article 66-4第六十六条の四

Hearing Physicians' and Dentists' Opinions on the Results of Medical Checkups(健康診断の結果についての医師等からの意見聴取)
Article 66-4, paragraph (1)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must hear the opinions of a physician or dentist on the necessary measures to help maintain the health of workers based on the results of medical checkups under the provisions of paragraphs (1) through (4) of Article 66, proviso in paragraph (5) and Article 66-2 (limited to results regarding workers who have been diagnosed as showing abnormalities in the findings for the items in the medical checkups ).

事業者は、第六十六条第一項から第四項まで若しくは第五項ただし書又は第六十六条の二の規定による健康診断の結果(当該健康診断の項目に異常の所見があると診断された労働者に係るものに限る。)に基づき、当該労働者の健康を保持するために必要な措置について、厚生労働省令で定めるところにより、医師又は歯科医師の意見を聴かなければならない。

Article 66-5第六十六条の五

Measures Following Medical Checkups(健康診断実施後の措置)
Article 66-5, paragraph (1)

On finding that it is necessary to do so in light of the opinion of a physician or dentist under the provisions of the preceding Article, an employer must take measures including changing the location of work, changing the work content, shortening the working hours, or reducing the frequency of night work, in accordance with the actual circumstances of the worker concerned, along with conducting appropriate measures including work environment monitoring, providing or streamlining facilities or equipment, reporting the opinions of the physician or dentist to the Health Committee or the Safety and Health Committee, or the Committee for the Improvement of Establishing Working Hours, etc. (meaning the Committee for the Improvement of Establishing Working Hours, etc. provided for in Article 7 of the Act on Special Measures Concerning the Improvement of Establishing Working Hours, etc. (Act No. 90 of 2002); the same applies hereinafter).

事業者は、前条の規定による医師又は歯科医師の意見を勘案し、その必要があると認めるときは、当該労働者の実情を考慮して、就業場所の変更、作業の転換、労働時間の短縮、深夜業の回数の減少等の措置を講ずるほか、作業環境測定の実施、施設又は設備の設置又は整備、当該医師又は歯科医師の意見の衛生委員会若しくは安全衛生委員会又は労働時間等設定改善委員会(労働時間等の設定の改善に関する特別措置法(平成四年法律第九十号)第七条に規定する労働時間等設定改善委員会をいう。以下同じ。)への報告その他の適切な措置を講じなければならない。

Article 66-5, paragraph (2)

The Minister of Health, Labour and Welfare is to release the necessary guidelines to ensure the appropriate and effective implementation of the measures that employers are required to take pursuant to the provisions of the preceding paragraph.

厚生労働大臣は、前項の規定により事業者が講ずべき措置の適切かつ有効な実施を図るため必要な指針を公表するものとする。

Article 66-5, paragraph (3)

Having released guidelines as referred to in the preceding paragraph, and on finding that it is necessary to do so, the Minister of Health, Labour and Welfare may provide the necessary guidance on those guidelines to employers and associations thereof.

厚生労働大臣は、前項の指針を公表した場合において必要があると認めるときは、事業者又はその団体に対し、当該指針に関し必要な指導等を行うことができる。

Article 66-6第六十六条の六

Notifying Workers of Medical Checkup Results(健康診断の結果の通知)
Article 66-6, paragraph (1)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must notify a worker who has undergone a medical checkup that the employer has implemented pursuant to the provisions of paragraphs (1) through (4) of Article 66 of the results of the medical checkup.

事業者は、第六十六条第一項から第四項までの規定により行う健康診断を受けた労働者に対し、厚生労働省令で定めるところにより、当該健康診断の結果を通知しなければならない。

Article 66-7第六十六条の七

Health Guidance(保健指導等)
Article 66-7, paragraph (1)

An employer must endeavor to provide health guidance by a physician or health nurse for workers who are found to be in particular need of efforts to help maintain their health as a result of a medical checkup under the provisions of paragraph (1) of Article 66 or a medical checkup under the proviso of paragraph (5) of that Article in connection therewith, or as a result of a medical checkup under the provisions of Article 66-2.

事業者は、第六十六条第一項の規定による健康診断若しくは当該健康診断に係る同条第五項ただし書の規定による健康診断又は第六十六条の二の規定による健康診断の結果、特に健康の保持に努める必要があると認める労働者に対し、医師又は保健師による保健指導を行うように努めなければならない。

Article 66-7, paragraph (2)

A worker is to endeavor to maintain their health by making use of the results of the medical checkup of which they have been notified pursuant to the provisions of the preceding Article and by making use of health guidance under to the provisions of the preceding paragraph.

労働者は、前条の規定により通知された健康診断の結果及び前項の規定による保健指導を利用して、その健康の保持に努めるものとする。

Article 66-8第六十六条の八

Face-to-Face Guidance(面接指導等)
Article 66-8, paragraph (1)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must have a worker whose working hours or other conditions fall under one of the requirements specified by Order of the Ministry of Health, Labour and Welfare in consideration of helping to maintain workers' health (excluding those prescribed in paragraph (1) of the following Article and in paragraph (1) of Article 66-8-4) undergo face-to-face guidance (meaning the undertaking of the necessary guidance in a face-to-face setting, in accordance with a person's physical and mental condition as assessed through a medical interview or other means; the same applies hereinafter) by a physician.

事業者は、その労働時間の状況その他の事項が労働者の健康の保持を考慮して厚生労働省令で定める要件に該当する労働者(次条第一項に規定する者及び第六十六条の八の四第一項に規定する者を除く。以下この条において同じ。)に対し、厚生労働省令で定めるところにより、医師による面接指導(問診その他の方法により心身の状況を把握し、これに応じて面接により必要な指導を行うことをいう。以下同じ。)を行わなければならない。

Article 66-8, paragraph (2)

A worker must undergo the face-to-face guidance provided by the employer pursuant to the provisions of the preceding paragraphs; provided, however, that this does not apply if a worker who does not desire to undergo the face-to-face guidance by the physician designated by the employer undergoes face-to-face guidance by another physician that is equivalent to the face-to-face guidance under the provisions of that paragraph and submits a document to the employer certifying the results.

労働者は、前項の規定により事業者が行う面接指導を受けなければならない。ただし、事業者の指定した医師が行う面接指導を受けることを希望しない場合において、他の医師の行う同項の規定による面接指導に相当する面接指導を受け、その結果を証明する書面を事業者に提出したときは、この限りでない。

Article 66-8, paragraph (3)

An employer, pursuant to Order of the Ministry of Health, Labour and Welfare, must record the results of the face-to-face guidance under the provisions of paragraph (1) and the proviso of the preceding paragraph.

事業者は、厚生労働省令で定めるところにより、第一項及び前項ただし書の規定による面接指導の結果を記録しておかなければならない。

Article 66-8, paragraph (4)

An employer, based on the results of the face-to-face guidance provided for in paragraph (1) or the proviso of paragraph (1) or the proviso paragraph (2), must hear the opinions of a physician regarding necessary measures to help maintain the health of the worker pursuant to Order of the Ministry of Health, Labour and Welfare.

事業者は、第一項又は第二項ただし書の規定による面接指導の結果に基づき、当該労働者の健康を保持するために必要な措置について、厚生労働省令で定めるところにより、医師の意見を聴かなければならない。

Article 66-8, paragraph (5)

On finding that it is necessary to do so in light of the opinion of a physician under the provisions of the preceding paragraph, the employer must take measures including changing the location of work, changing the work content, shortening the working hours, reducing the frequency of night work in accordance with the actual circumstances of the worker concerned, along with conducting appropriate measures including reporting the opinion of the physician to the Health Committee, Safety and Health Committee or Committee for the Improvement of Establishing Working Hours, etc..

事業者は、前項の規定による医師の意見を勘案し、その必要があると認めるときは、当該労働者の実情を考慮して、就業場所の変更、作業の転換、労働時間の短縮、深夜業の回数の減少等の措置を講ずるほか、当該医師の意見の衛生委員会若しくは安全衛生委員会又は労働時間等設定改善委員会への報告その他の適切な措置を講じなければならない。

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