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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 V Regulations on Machinery and Other Such Equipment, Dangerous Substances, and Harmful Substances (Articles 57 to 58)

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.

Article 57第五十七条

Labeling(表示等)
Article 57, paragraph (1)

A person that transfers or provides explosives, pyrophorus, flammables, or any other substance that could put a worker in danger and are specified by Cabinet Order; that transfers or provides benzene, preparations containing benzene, or other substances that could cause a worker's health to be impaired and are specified by Cabinet Order; or the substances referred to in paragraph (1) of the preceding Article, with putting them into a container or a package, must label the container or the package (or label the container, if the substances are put o a container and also packaged before being transferred or provided) with the following things, pursuant to Order of the Ministry of Health, Labour and Welfare; provided, however, that this does not apply to containers or packages that are intended primarily for use by general consumers:

爆発性の物、発火性の物、引火性の物その他の労働者に危険を生ずるおそれのある物若しくはベンゼン、ベンゼンを含有する製剤その他の労働者に健康障害を生ずるおそれのある物で政令で定めるもの又は前条第一項の物を容器に入れ、又は包装して、譲渡し、又は提供する者は、厚生労働省令で定めるところにより、その容器又は包装(容器に入れ、かつ、包装して、譲渡し、又は提供するときにあつては、その容器)に次に掲げるものを表示しなければならない。ただし、その容器又は包装のうち、主として一般消費者の生活の用に供するためのものについては、この限りでない。

Article 57, paragraph (1), item (i)

the following particulars:

次に掲げる事項

Article 57, paragraph (1), item (i), (a)

the name of the substance;

名称

Article 57, paragraph (1), item (i), (b)

its effects on the human body;

人体に及ぼす作用

Article 57, paragraph (1), item (i), (c)

precautions concerning storage or handling;

貯蔵又は取扱い上の注意

Article 57, paragraph (1), item (i), (d)

particulars specified by Order of the Ministry of Health, Labour and Welfare, beyond what is set forth in (a) through (c).

イからハまでに掲げるもののほか、厚生労働省令で定める事項

Article 57, paragraph (1), item (ii)

the markings meant to draw the attention of workers handling those substances that are specified by the Minister of Health, Labour and Welfare.

当該物を取り扱う労働者に注意を喚起するための標章で厚生労働大臣が定めるもの

Article 57, paragraph (2)

A person that transfers or provides the substances specified by Cabinet Order that are referred to in the preceding paragraph, or the substances referred to in paragraph (1) of the preceding Article, in a manner other than that which is prescribed in the preceding paragraph must deliver a document giving the particulars referred to in each item of that paragraph to the person to which the substances are transferred or provided, pursuant to Order of the Ministry of Health, Labour and Welfare.

前項の政令で定める物又は前条第一項の物を前項に規定する方法以外の方法により譲渡し、又は提供する者は、厚生労働省令で定めるところにより、同項各号の事項を記載した文書を、譲渡し、又は提供する相手方に交付しなければならない。

Article 57-2第五十七条の二

Delivery of Documents(文書の交付等)
Article 57-2, paragraph (1)

A person that transfers or provides a substance specified by Cabinet Order that could put a worker in danger or cause impairments of worker's health, or the substances referred to in the provisions of paragraph (1) of Article 56 (hereinafter in this Article and paragraph (1) of the following Article referred to as the "substance subject to notice") (such a person is referred to as a "transferor or provider of a substance subject to notice" in the following paragraph, paragraphs (3) and (9), and paragraph (1) of Article 100), must notify the person to which the substance subject to notice is to be transferred or provided of the following particulars (excluding the particulars prescribed in paragraph (2) of the preceding Article for a person prescribed in the provisions of that paragraph) through the delivery of a document or by any other means that is specified by Order of the Ministry of Health, Labour and Welfare; provided, however, that this does not apply to the transfer or provision of a substance subject to notice intended primarily for ordinary use by general consumers:

労働者に危険若しくは健康障害を生ずるおそれのある物で政令で定めるもの又は第五十六条第一項の物(以下この条及び次条第一項において「通知対象物」という。)を譲渡し、又は提供する者(次項、第三項及び第九項並びに第百条第一項において「通知対象物譲渡者等」という。)は、文書の交付その他厚生労働省令で定める方法により通知対象物に関する次の事項(前条第二項に規定する者にあつては、同項に規定する事項を除く。)を、譲渡し、又は提供する相手方に通知しなければならない。ただし、主として一般消費者の生活の用に供される製品として通知対象物を譲渡し、又は提供する場合については、この限りでない。

Article 57-2, paragraph (1), item (i)

the name of the substance;

名称

Article 57-2, paragraph (1), item (ii)

the ingredients and their amounts;

成分及びその含有量

Article 57-2, paragraph (1), item (iii)

the physical and chemical properties;

物理的及び化学的性質

Article 57-2, paragraph (1), item (iv)

its effects on the human body;

人体に及ぼす作用

Article 57-2, paragraph (1), item (v)

precautions concerning storage or handling;

貯蔵又は取扱い上の注意

Article 57-2, paragraph (1), item (vi)

emergency measures to be taken if such incident as a spill occurs;

流出その他の事故が発生した場合において講ずべき応急の措置

Article 57-2, paragraph (1), item (vii)

in addition to the matters set forth in each of the preceding items, those specified by Order of the Ministry of Health, Labour and Welfare.

前各号に掲げるもののほか、厚生労働省令で定める事項

Article 57-2, paragraph (2)

If it becomes necessary for a transferor or provider of a substance subject to notice to change something about which it has provided notice pursuant to the provisions of the preceding paragraph, the person must endeavor to promptly notify the other parties to which it has transferred or provided the relevant substance of all the things referred to in the items of that paragraph after the change, through the delivery of a document or by any other means specified by Order of the Ministry of Health, Labour and Welfare.

通知対象物譲渡者等は、前項の規定により通知した事項に変更を行う必要が生じたときは、文書の交付その他厚生労働省令で定める方法により、変更後の同項各号の事項を、速やかに、譲渡し、又は提供した相手方に通知するよう努めなければならない。

Article 57-2, paragraph (3)

If the information on an ingredient referred to in item (ii) of paragraph (1) concerning a substance subject to notice (limited to an ingredient that is a chemical substance specified by Order of the Ministry of Health, Labour and Welfare in consideration of the degree of the risk of danger or health impairment to workers) is information on a product that is managed as a secret or other information useful for business activities that is not publicly known, a transferor or provider of a substance subject to notice may, after clearly indicating that fact in advance to the person to which the substance subject to notice is to be transferred or provided, determine a chemical name in which part of the characters representing the structure or constituent elements of the ingredient in the chemical name of that ingredient has been omitted or replaced, or the particulars specified by Order of the Ministry of Health, Labour and Welfare (hereinafter referred to as an "alternative chemical name, etc."), and give notice of it in lieu of the notice under the provisions of the preceding two paragraphs.

通知対象物譲渡者等は、通知対象物に関する第一項第二号の成分(労働者に危険又は健康障害を生ずるおそれの程度を勘案して厚生労働省令で定める化学物質である成分に限る。)の情報が、秘密として管理されている製品の情報その他の事業活動に有用な情報であつて、公然と知られていないものである場合には、その旨を当該通知対象物を譲渡し、又は提供する相手方にあらかじめ明示した上で、当該成分の化学名における成分の構造又は構成要素を表す文字の一部を省略し、若しくは置き換えた化学名又は厚生労働省令で定める事項(以下「代替化学名等」という。)を定め、これを通知することをもつて前二項の規定による通知に代えることができる。

Article 57-2, paragraph (4)

A person that has given notice of an alternative chemical name, etc. pursuant to the provisions of the preceding paragraph (referred to as a "person notifying an alternative chemical name, etc." in the following paragraph and paragraph (4) of Article 103) must, pursuant to Order of the Ministry of Health, Labour and Welfare, record the ingredients of the substance subject to notice to which that notice pertains, the alternative chemical name, etc. that it has notified, and other particulars specified by Order of the Ministry of Health, Labour and Welfare.

前項の規定に基づき代替化学名等の通知を行つた者(次項及び第百三条第四項において「代替化学名等通知者」という。)は、厚生労働省令で定めるところにより、当該通知に係る通知対象物の成分、通知した代替化学名等その他の厚生労働省令で定める事項を記録しなければならない。

Article 57-2, paragraph (5)

If health impairments have occurred or are likely to occur due to a substance subject to notice, and it is necessary for diagnosis or treatment by a physician or any other act specified by Order of the Ministry of Health, Labour and Welfare, a person notifying an alternative chemical name, etc. must, at the request of that physician, disclose the information on the ingredients of that substance subject to notice to that physician, pursuant to Order of the Ministry of Health, Labour and Welfare.

代替化学名等通知者は、通知対象物による健康障害が生じ、又は生ずるおそれがある場合において、医師による診断、治療その他の厚生労働省令で定める行為のために必要があるときは、当該医師の求めに応じて、厚生労働省令で定めるところにより、当該通知対象物の成分の情報を当該医師に開示しなければならない。

Article 57-2, paragraph (6)

When transferring or providing a substance subject to notice, a person that has been notified of an alternative chemical name, etc. for an ingredient of that substance subject to notice pursuant to the provisions of paragraph (3) may, after clearly indicating in advance to the person to which the substance subject to notice is to be transferred or provided that it has been notified of an alternative chemical name, etc. for the ingredient of that substance subject to notice, give notice of the alternative chemical name, etc. in lieu of the notice under the provisions of paragraph (1) or (2). The same applies to a person that has been notified of an alternative chemical name, etc. pursuant to the provisions of this paragraph.

第三項の規定により通知対象物の成分について代替化学名等を通知された者は、当該通知対象物を譲渡し、又は提供する場合には、当該通知対象物の成分について代替化学名等を通知された旨を当該通知対象物を譲渡し、又は提供する相手方にあらかじめ明示した上で、代替化学名等を通知することをもつて第一項又は第二項の規定による通知に代えることができる。この項の規定により代替化学名等を通知された者についても、同様とする。

Article 57-2, paragraph (7)

Beyond what is provided for in the preceding six paragraphs, Order of the Ministry of Health, Labour and Welfare provides for the necessary particulars in connection with notices as referred to in paragraphs (1) and (2).

前各項に定めるもののほか、第一項及び第二項の通知に関し必要な事項は、厚生労働省令で定める。

Article 57-2, paragraph (8)

The Minister of Health, Labour and Welfare is to release the necessary guidelines to ensure the appropriate and effective implementation of notices of alternative chemical names, etc. under paragraphs (3) and (6).

厚生労働大臣は、第三項及び第六項の代替化学名等の通知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 57-2, paragraph (9)

The Minister of Health, Labour and Welfare may provide the necessary guidance to a transferor or provider of a substance subject to notice in accordance with the guidelines referred to in the preceding paragraph.

厚生労働大臣は、前項の指針に従い、通知対象物譲渡者等に対し、必要な指導等を行うことができる。

Article 57-3第五十七条の三

Assessment for Substances Specified by Cabinet Order pursuant to paragraph (1) of Article 57 and Substances Subject to Notice(第五十七条第一項の政令で定める物及び通知対象物について事業者が行うべき調査等)
Article 57-3, paragraph (1)

Pursuant to Order of the Ministry of Health, Labour and Welfare, an employer must assess the things such as the potential for danger or harm from the substances specified by Cabinet Order pursuant to paragraph (1) of Article 57 and from substances subject to notice.

事業者は、厚生労働省令で定めるところにより、第五十七条第一項の政令で定める物及び通知対象物による危険性又は有害性等を調査しなければならない。

Article 57-3, paragraph (2)

An employer must endeavor to take the necessary measures to prevent the endangerment of workers and the impairment of workers' health, in addition to taking measures under the provisions of this Act or an order under this Act, based on the results of the investigations referred to in the preceding paragraph.

事業者は、前項の調査の結果に基づいて、この法律又はこれに基づく命令の規定による措置を講ずるほか、労働者の危険又は健康障害を防止するため必要な措置を講ずるように努めなければならない。

Article 57-3, paragraph (3)

The Minister of Health, Labour and Welfare is to release the necessary guidelines in connection with the measures referred to in the preceding two paragraphs in order to ensure the appropriate and effective implementation thereof, beyond what is provided for in paragraphs (1) and (3) of Article 28.

厚生労働大臣は、第二十八条第一項及び第三項に定めるもののほか、前二項の措置に関して、そ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 57-3, paragraph (4)

The Minister of Health, Labour and Welfare may provide the necessary guidance and assistance to employers and associations thereof in accordance with the guidelines referred to in the preceding paragraph.

厚生労働大臣は、前項の指針に従い、事業者又はその団体に対し、必要な指導、援助等を行うことができる。

Article 57-4第五十七条の四

Assessment of the potential for harm from Chemical Substances(化学物質の有害性の調査)
Article 57-4, paragraph (1)

To prevent the impairment of workers' health by chemical substances, an employer that seeks to manufacture or import a chemical substance other than a chemical substance that is specified by Cabinet Order as an existing chemical substance (including a chemical substance whose name has been made public pursuant to the provisions of paragraph (3)) (such an other chemical substance is hereinafter in this Article referred to as a "new chemical substance"), must first undertake a assessment of the potential for harm as specified by Order of the Ministry of Health, Labour and Welfare (meaning an assessment of the influence of the new chemical substance on the health of workers hereinafter the same applies in this Article) and, pursuant to Order of the Ministry of Health, Labour and Welfare, file a notification of the name of the new chemical substance and the result of the assessment of the potential for harm and other particulars with the Minister of Health, Labour and Welfare; provided, however, that this does not apply if the situation falls under any of the following items or in a case provided by Cabinet Order:

化学物質による労働者の健康障害を防止するため、既存の化学物質として政令で定める化学物質(第三項の規定によりその名称が公表された化学物質を含む。)以外の化学物質(以下この条において「新規化学物質」という。)を製造し、又は輸入しようとする事業者は、あらかじめ、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基準に従つて有害性の調査(当該新規化学物質が労働者の健康に与える影響についての調査をいう。以下この条において同じ。)を行い、当該新規化学物質の名称、有害性の調査の結果その他の事項を厚生労働大臣に届け出なければならない。ただし、次の各号のいずれかに該当するときその他政令で定める場合は、この限りでない。

Article 57-4, paragraph (1), item (i)

pursuant to Order of the Ministry of Health, Labour and Welfare, the employer has received confirmation from the Minister of Health, Labour and Welfare in respect of the new chemical substance indicating that things such as the manufacturing or handling method that is being contemplated for the new chemical substance has been reviewed and it is not likely that the workers will be exposed to the new chemical substance;

当該新規化学物質に関し、厚生労働省令で定めるところにより、当該新規化学物質について予定されている製造又は取扱いの方法等からみて労働者が当該新規化学物質にさらされるおそれがない旨の厚生労働大臣の確認を受けたとき。

Article 57-4, paragraph (1), item (ii)

pursuant to Order of the Ministry of Health, Labour and Welfare, the employer has received confirmation from the Minister of Health, Labour and Welfare in respect of the new chemical substance, indicating that, based on things such as findings that have already been made, the new chemical substance does not have the toxicity prescribed by Order of the Ministry of Health, Labour and Welfare;

当該新規化学物質に関し、厚生労働省令で定めるところにより、既に得られている知見等に基づき厚生労働省令で定める有害性がない旨の厚生労働大臣の確認を受けたとき。

Article 57-4, paragraph (1), item (iii)

the employer seeks to manufacture or import the new chemical substance for the sake of research or studies;

当該新規化学物質を試験研究のため製造し、又は輸入しようとするとき。

Article 57-4, paragraph (1), item (iv)

the new chemical substance would be imported primarily as a product for ordinary use by general consumers (this includes a product containing the new chemical substance), and in the case specified by Order of the Ministry of Health, Labour and Welfare.

当該新規化学物質が主として一般消費者の生活の用に供される製品(当該新規化学物質を含有する製品を含む。)として輸入される場合で、厚生労働省令で定めるとき。

Article 57-4, paragraph (2)

An employer that has carried out a assessment of the potential for harm must promptly take the necessary measures based on the results of the investigation to prevent the impairment of workers' health by the relevant new chemical substance.

有害性の調査を行つた事業者は、その結果に基づいて、当該新規化学物質による労働者の健康障害を防止するため必要な措置を速やかに講じなければならない。

Article 57-4, paragraph (3)

Having received a notification for a new chemical substance under the provisions of paragraph (1) (or having made a confirmation under the provisions of item (ii) of that paragraph), the Minister of Health, Labour and Welfare must make public the name of the new chemical substance pursuant to Order of the Ministry of Health, Labour and Welfare.

厚生労働大臣は、第一項の規定による届出があつた場合(同項第二号の規定による確認をした場合を含む。)には、厚生労働省令で定めるところにより、当該新規化学物質の名称を公表するものとする。

Article 57-4, paragraph (4)

Having received a notification under the provisions of paragraph (1) and on finding, after hearing the opinions of persons with relevant knowledge and experience on the results of the toxicity assessment pursuant to Order of the Ministry of Health, Labour and Welfare, that it is necessary to do so in order to prevent the impairment of workers' health by the chemical substance to which the notification pertains, the Minister of Health, Labour and Welfare may issue a recommendation to the employer filing the notification to establish or streamline facilities or equipment, make available personal protective equipment, or take other measures.

厚生労働大臣は、第一項の規定による届出があつた場合には、厚生労働省令で定めるところにより、有害性の調査の結果について学識経験者の意見を聴き、当該届出に係る化学物質による労働者の健康障害を防止するため必要があると認めるときは、届出をした事業者に対し、施設又は設備の設置又は整備、保護具の備付けその他の措置を講ずべきことを勧告することができる。

Article 57-4, paragraph (5)

A person with relevant knowledge and experience who has been asked for an opinion on the results of an assessment of potential for harm pursuant to the provisions of the preceding paragraph must not divulge any secret learned in connection with the results of the toxicity assessment; provided, however, that this does not apply if the person is compelled to disclose this information for the purpose of preventing the impairment of workers' health.

前項の規定により有害性の調査の結果について意見を求められた学識経験者は、当該有害性の調査の結果に関して知り得た秘密を漏らしてはならない。ただし、労働者の健康障害を防止するためやむを得ないときは、この限りでない。

Article 57-5第五十七条の五

Article 57-5, paragraph (1)

On finding that it is necessary to do so in order to prevent the impairment of workers' health by a chemical substance that could give workers cancer or cause workers to sustain any other significant impairment to health, the Minister of Health, Labour and Welfare may, pursuant to Order of the Ministry of Health, Labour and Welfare, instruct employers that manufacture, import or use this chemical substance or other employers prescribed by Order of the Ministry of Health, Labour and Welfare to carry out the toxicity assessments specified by Cabinet Order (meaning assessment of the influence of that chemical substance on the impairment of workers' health) and to report the results.

厚生労働大臣は、化学物質で、がんその他の重度の健康障害を労働者に生ずるおそれのあるものについて、当該化学物質による労働者の健康障害を防止するため必要があると認めるときは、厚生労働省令で定めるところにより、当該化学物質を製造し、輸入し、又は使用している事業者その他厚生労働省令で定める事業者に対し、政令で定める有害性の調査(当該化学物質が労働者の健康障害に及ぼす影響についての調査をいう。)を行い、その結果を報告すべきことを指示することができる。

Article 57-5, paragraph (2)

The Minister of Health, Labour and Welfare is to give any instructions as under the provisions of the preceding paragraph in conformity with the standards established by the Minister of Health, Labour and Welfare, in consideration of things such as the technical level of the toxicity assessment of the chemical substance, the preparedness of the institution carrying out the investigation, and the investigative abilities of the employer concerned, in a comprehensive manner.

前項の規定による指示は、化学物質についての有害性の調査に関する技術水準、調査を実施する機関の整備状況、当該事業者の調査の能力等を総合的に考慮し、厚生労働大臣の定める基準に従つて行うものとする。

Article 57-5, paragraph (3)

Before issuing the instructions under the provisions of paragraph (1), the Minister of Health, Labour and Welfare must first hear the opinions of persons with relevant knowledge and experience, pursuant to Order of the Ministry of Health, Labour and Welfare.

厚生労働大臣は、第一項の規定による指示を行おうとするときは、あらかじめ、厚生労働省令で定めるところにより、学識経験者の意見を聴かなければならない。

Article 57-5, paragraph (4)

An employer that has carried out a toxicity assessment under the provisions of paragraph (1) must promptly take the necessary measures based on the results of that investigation to prevent impairment of workers' health by the relevant chemical substance.

第一項の規定による有害性の調査を行つた事業者は、その結果に基づいて、当該化学物質による労働者の健康障害を防止するため必要な措置を速やかに講じなければならない。

Article 57-5, paragraph (5)

A person with relevant knowledge and experience who has been asked for an opinion on the instructions under the provisions of paragraph (1) pursuant to the provisions of paragraph (3) must not divulge any secret learned in connection with those instructions; provided, however, that this does not apply if the person is compelled to disclose this information for the purpose of preventing the impairment of workers' health.

第三項の規定により第一項の規定による指示について意見を求められた学識経験者は、当該指示に関して知り得た秘密を漏らしてはならない。ただし、労働者の健康障害を防止するためやむを得ないときは、この限りでない。

Article 58第五十八条

State Assistance, etc.(国の援助等)
Article 58, paragraph (1)

In order to contribute to the adequate implementation of a toxicity assessment under the provisions of the preceding two Articles, the State is to endeavor to streamline facilities that implement toxicity assessments for chemical substances, ensure the provision of information and other necessary assistance, and endeavor to carry out toxicity assessments by itself.

国は、前二条の規定による有害性の調査の適切な実施に資するため、化学物質について、有害性の調査を実施する施設の整備、資料の提供その他必要な援助に努めるほか、自ら有害性の調査を実施するよう努めるものとする。

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