Every term this law . Its definitions bind only this law — each entry says where the definition applies and links to the sentence that settles it. 136 terms: 67 with the Ministry of Justice's English, 69 in our translation, marked as such.
事業者
A person who runs a business (事業) and employs one or more workers (労働者).
事業を行う者で、労働者を使用するもの
労働者
A worker as defined in Article 9 of the Labor Standards Act — a person, in any occupation, employed at a business or office (事業又は事務所) and paid wages — other than a person employed at a business or office that employs only relatives living with the employer (同居の親族), and a domestic worker (家事使用人).
労働基準法第九条に規定する労働者（同居の親族のみを使用する事業又は事務所に使用される者及び家事使用人を除く。）
Machines, appliances and other equipment.
A worker's injury, illness or death caused by buildings, equipment, raw materials, gas, vapour, dust or the like connected with the worker's employment, or arising from the worker's work actions or other duties.
労働者の就業に係る建設物、設備、原材料、ガス、蒸気、粉じん等により、又は作業行動その他業務に起因して、労働者が負傷し、疾病にかかり、又は死亡すること
A person who does the work of a job carried out by a person running a business (事業), whether or not that person is a worker (労働者) employed there.
事業を行う者が行う仕事の作業に従事する者
Machinery or other equipment needing particularly dangerous work that is listed in Appended Table 1 — boilers, class-1 pressure vessels, cranes, mobile cranes, derricks, elevators, construction lifts and gondolas — and specified by Cabinet Order (政令); a person who intends to manufacture it needs the permission of the Director of the Prefectural Labour Bureau (都道府県労働局長) in advance.
A person registered by the Minister of Health, Labour and Welfare, for each kind of specified machinery (特定機械等) in Appended Table 1, to carry out design reviews (設計審査) and, for some kinds, post-manufacturing inspections (製造時等検査).
免許
A license from the Director of the Prefectural Labour Bureau (都道府県労働局長) under Article 12, paragraph (1), Article 14 or Article 61, paragraph (1) — to be appointed a health manager or an operations supervisor, or to do work such as operating a crane — granted, by issuing a license certificate, to a person who has passed the licensing examination or has other qualifications a Ministry of Health, Labour and Welfare Order (厚生労働省令) sets.
A body designated by the Minister of Health, Labour and Welfare to carry out all or part of running the licensing examinations (免許試験) that the Directors of Prefectural Labour Bureaus (都道府県労働局長) hold.
The work of running the licensing examinations (免許試験) that the Directors of Prefectural Labour Bureaus (都道府県労働局長) hold under Article 75, paragraph (1), which the Minister of Health, Labour and Welfare may have a designated examination board (指定試験機関) carry out in whole or in part.
型式検定
The examination, by a registered agency for type examinations (登録型式検定機関), of the type (型式) of machinery or other equipment listed in Appended Table 4 and specified by Cabinet Order (政令), which its manufacturer or importer, or its foreign manufacturer, must or may undergo (Article 44-2, paragraphs (1) and (2)); a type passes only if the machinery's structure and the facilities for making and inspecting it meet standards set by a Ministry of Health, Labour and Welfare Order (厚生労働省令).
A skill training course under Article 14 or Article 61, paragraph (1), given by a person registered with the Director of the Prefectural Labour Bureau (都道府県労働局長), whose completion qualifies a person to be appointed an operations supervisor (作業主任者) or to do work such as operating a crane; given for each category in Appended Table 18 as classroom or practical instruction.
The inspection under Article 38, paragraph (1) or (2) by a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) of boilers, class-1 pressure vessels, mobile cranes and gondolas when they are made or imported, installed after going uninstalled for a period a Ministry of Health, Labour and Welfare Order (厚生労働省令) sets, or installed or used again after their use was discontinued; for imported ones, their foreign manufacturer may undergo it instead.
Planning, sampling and analysis (including analytical study) of the air and other aspects of the work environment, done to grasp its actual condition, including how far workers are exposed to harmful factors there.
作業環境の実態（作業環境における労働者の有害な因子へのばく露の程度を含む。）を把握するため空気環境その他の作業環境について行うデザイン、サンプリング及び分析（解析を含む。）
The practical training referred to in Article 75, paragraph (3), given by a person registered with the Director of the Prefectural Labour Bureau (都道府県労働局長) for each category in Appended Table 17, completion of which within the past year can exempt a person from all or part of a licensing examination's written or practical test.
From Article 89 on, other than in Article 89-2, a notification under Article 88, paragraphs (1) to (3) of an employer's plan to install or move machinery or other equipment of a kind a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies or alter its main structural parts, or to start construction or other work of a kind that Order specifies.
設計審査
A review, by a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関), of whether the design of specified machinery (特定機械等) meets the structural part of the standards the Minister of Health, Labour and Welfare sets; its result must be attached to an application for permission to manufacture that machinery, unless the Director of the Prefectural Labour Bureau (都道府県労働局長) carries out the review itself.
A design review (設計審査) or a post-manufacturing inspection (製造時等検査) of specified machinery (特定機械等): the work a registered agency for design reviews and post-manufacturing inspections is registered to do.
The examination, by a registered agency for individual examinations (登録個別検定機関), of each unit of machinery or other equipment listed in Appended Table 3 and specified by Cabinet Order (政令) that its manufacturer or importer, or its foreign manufacturer, must or may undergo (Article 44, paragraphs (1) and (2)); a unit passes only if it meets standards set by a Ministry of Health, Labour and Welfare Order (厚生労働省令).
A person registered under Article 54-3, paragraph (1) who carries out specified voluntary inspections (特定自主検査) of machinery or other equipment when others ask.
Guidance given in person, after grasping a worker's physical and mental condition through a medical interview or other means, to suit that condition.
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
元方事業者
An employer (事業者) that contracts out part of the work of a business it carries out at one site; where two or more contracts for that part make two or more such employers, the orderer under the earliest of those contracts.
A registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) that carries out design reviews or post-manufacturing inspections at an office outside Japan.
The date Act No. 33 of 2025, the amending Act these supplementary provisions (附則) belong to, comes into effect.
In Articles 46 and 46-2, Article 53, paragraphs (1) and (2) and Article 53-2, paragraph (1), the registration with the Minister of Health, Labour and Welfare under Article 37, paragraph (3) as a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関), made for each kind of specified machinery and each area a Ministry of Health, Labour and Welfare Order (厚生労働省令) sets, on the application of a person who seeks to do that work.
The inspection under Article 41, paragraph (2) by a registered agency for performance inspections (登録性能検査機関), which a person must undergo to renew the period for which the inspection certificate (検査証) of specified machinery (特定機械等) is valid.
コンサルタント
An industrial safety consultant (労働安全コンサルタント) or an industrial health consultant (労働衛生コンサルタント): a person who has passed the examination for one and is registered under Article 84 to diagnose safety or health at workplaces and give guidance for a fee.
労働者の健康管理等
Workers' health care and the other matters a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies, which an employer must have the industrial physician (産業医) it appoints carry out at each workplace of the size Cabinet Order (政令) sets (Article 13, paragraph (1)).
関係請負人
A contractor of a principal employer (元方事業者), including, where the work is done through several layers of contracts, every contractor party to each later contract.
A plan to improve safety or health at a workplace that the Minister of Health, Labour and Welfare may instruct an employer to draw up and submit after a serious industrial injury (重大な労働災害), where the case is one a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies as needing measures to prevent a recurrence.
A person who graduated from a university or college of technology (高等専門学校) under the School Education Act after completing an engineering course, including one who completed such a course in the first stage of a professional university (専門職大学前期課程).
A person who graduated from an upper secondary school (高等学校) or a secondary education school (中等教育学校) under the School Education Act after completing an engineering course.
A person registered by the Minister of Health, Labour and Welfare to carry out individual examinations (個別検定) of machinery or other equipment listed in Appended Table 3 and specified by Cabinet Order (政令).
A person registered by the Minister of Health, Labour and Welfare to carry out type examinations (型式検定) of machinery or other equipment listed in Appended Table 4 and specified by Cabinet Order (政令).
特定自主検査
Those of the periodic voluntary inspections an employer must carry out on boilers and other machinery Cabinet Order (政令) specifies (Article 45, paragraph (1)) that a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies; they must be done by a qualified employer or worker, or by a registered inspection agency (検査業者).
From Article 75-2 to Article 75-12, the designation by the Minister of Health, Labour and Welfare of a body to carry out all or part of running the licensing examinations (免許試験) the Directors of Prefectural Labour Bureaus hold, made on the application of the body that seeks to do that work.
The rules on running licensing examinations that a designated examination board (指定試験機関) must set before it starts that work and have approved by the Minister of Health, Labour and Welfare, and again whenever it changes them.
A body designated by the Minister of Health, Labour and Welfare to carry out the work of registering consultants, other than revoking registrations under Article 85.
This Act as amended by Article 2 of Act No. 33 of 2025.
特定元方事業者
A principal employer (元方事業者) whose business is in the construction industry or in another industry Cabinet Order (政令) specifies.
The inspection certificate issued under Article 39, paragraph (1) or (2): by a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) for mobile specified machinery (特定機械等) that has passed a post-manufacturing inspection, or by the Chief of the Labour Standards Inspection Office (労働基準監督署長) for specified machinery that has passed the inspection of its installation.
A person registered by the Minister of Health, Labour and Welfare to carry out the performance inspections that renewing the validity of an inspection certificate (検査証) for specified machinery (特定機械等) requires.
審査員
A person who carries out design reviews (設計審査) for a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関), limited to one whose knowledge and experience meet one of the conditions in Appended Table 4-2, item (i).
検査員
A person who carries out post-manufacturing inspections (製造時等検査) for a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関), limited to one whose knowledge and experience meet one of the conditions in Appended Table 6, item (i).
A substance Cabinet Order (政令) specifies as one that could endanger workers or harm their health, or a substance under Article 56, paragraph (1) (one whose manufacture needs the permission of the Minister of Health, Labour and Welfare); Article 57-2 governs the notice of its name, ingredients, properties and other matters given to the person it is transferred or provided to.
新規化学物質
In Article 57-4, a chemical substance other than those Cabinet Order (政令) specifies as existing chemical substances (including those whose names have been published under paragraph (3) of that Article); an employer who intends to manufacture or import one must first assess how harmful it is and notify the Minister of Health, Labour and Welfare, with some exceptions.
The licensing examinations that the Director of the Prefectural Labour Bureau (都道府県労働局長) holds for each category a Ministry of Health, Labour and Welfare Order (厚生労働省令) sets (Article 75, paragraph (1)), given as a written test and a practical test, or either one.
A person registered with the Director of the Prefectural Labour Bureau (都道府県労働局長) under Article 77, paragraph (1) who gives skill training courses (技能講習) or practical training (教習).
指定コンサルタント試験機関
A body designated by the Minister of Health, Labour and Welfare to carry out all or part of running the industrial safety consultant and industrial health consultant examinations, other than deciding who passes.
The work of registering consultants, other than revoking registrations under Article 85, which the Minister of Health, Labour and Welfare may have a designated registration institution (指定登録機関) carry out.
機構
The Japan Organization of Occupational Health and Safety (独立行政法人労働者健康安全機構, JOHAS), an incorporated administrative agency, which the Minister of Health, Labour and Welfare may have investigate the causes of an industrial injury (労働災害) where its scale or other circumstances make that necessary.
This Act as it stood before Act No. 102 of 2003 amended it.
A business in the construction industry or in another industry Cabinet Order (政令) specifies.
An orderer (注文者) of a job who places the order without having taken that job on contract from anyone else.
注文者のうち、その仕事を他の者から請け負わないで注文している者
A record made in electronic, magnetic or any other form people cannot perceive directly, for use in computer processing.
電子的方式、磁気的方式その他の人の知覚によつては認識することができない方式で作られる記録であつて、電子計算機による情報処理の用に供されるもの
A design review (設計審査) or a post-manufacturing inspection (製造時等検査) of specified machinery (特定機械等): the work a registered agency for design reviews and post-manufacturing inspections is registered to do.
A chemical name with part of the letters showing an ingredient's structure or constituent elements left out or replaced, or other matters a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies, which a person transferring or providing a substance subject to notice (通知対象物) may notify instead of the ingredient, where the ingredient is one that Order specifies and is confidential business information not publicly known, and the recipient was told so in advance (Article 57-2, paragraph (3)).
コンサルタント試験事務
The work of running the industrial safety consultant examination or the industrial health consultant examination, other than deciding who passes, which the Minister of Health, Labour and Welfare may have a designated consultant examination board (指定コンサルタント試験機関) carry out in whole or in part (Article 83-2, paragraph (1)).
This Act as amended by Act No. 102 of 2003.
This Act as it stood before Article 2 of Act No. 33 of 2025 amended it.
第一号の委員
The one member of a safety committee (安全委員会) drawn from item (i) of Article 17, paragraph (2): the general safety and health manager, or a person the employer designates from among those who oversee the running of the business at the workplace or the equivalent.
Buildings or other structures (建設物), equipment or raw materials, as Article 31, paragraph (1) names them together for an orderer who itself does a job in a specified undertaking (特定事業) and lets the people working for its contractors use them at the site.
A person, of a kind a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies, who leases machinery or other equipment of a kind Cabinet Order (政令) specifies to a person running a business, and who must take the measures needed to prevent industrial injuries it may cause at that person's workplace.
外国製造者
In Article 44-2, paragraph (2) and Article 44-4, a person who made, outside Japan, machinery or other equipment of a kind that must undergo a type examination (型式検定).
In Article 46, paragraph (3), a person who has applied to the Minister of Health, Labour and Welfare for registration as a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関); the Minister must register one who meets every requirement listed there.
A person who transfers or provides a substance subject to notice (通知対象物).
深夜業
Work between 10 p.m. and 5 a.m., or between 11 p.m. and 6 a.m. in an area or period the Minister of Health, Labour and Welfare sets where it finds that necessary.
A plan to improve safety or health at a workplace that the Director of the Prefectural Labour Bureau (都道府県労働局長) may instruct an employer to draw up where comprehensive improvements to its facilities or other matters are needed to prevent industrial injuries, other than where the Minister of Health, Labour and Welfare has acted under Article 78, paragraph (1).
コンサルタント会
The general incorporated association (一般社団法人) with "Japan Association of Safety and Health Consultants" (日本労働安全衛生コンサルタント会) in its name that Article 87, paragraph (1) allows: one whose members are consultants and which guides and links them nationwide; it must notify the Minister of Health, Labour and Welfare within two weeks of being formed.
The plan the Minister of Health, Labour and Welfare must draw up, after hearing the Labour Policy Council (労働政策審議会), setting out the main measures for preventing industrial injuries (労働災害) and other important matters on their prevention.
In Article 46, paragraph (3), item (vi), a person who manufactures or imports specified machinery (特定機械等), by whom an applicant for registration as a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) must not be controlled.
The rules on its design review and post-manufacturing inspection work that a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) must set and notify to the Minister of Health, Labour and Welfare at least two weeks before it starts that work, and again whenever it changes them.
The inventory of assets, balance sheet, profit and loss statement or income and expenditure statement, and business report — including electronic or magnetic records (電磁的記録) made instead — that a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) must prepare within three months after each business year ends and keep at its office for five years.
製造者
A person holding the permission under Article 56, paragraph (1) of the Minister of Health, Labour and Welfare to manufacture dichlorobenzidine, preparations containing it, or other substances Cabinet Order (政令) specifies that may seriously harm workers' health.
In Article 57-4, an assessment of the effect a new chemical substance (新規化学物質) has on workers' health.
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
In Article 77, and in Article 53, paragraph (1) and Article 53-2, paragraph (1) as Article 77, paragraph (3) applies them to registered training institutions (登録教習機関), the registration under Article 77, paragraph (1) to give skill training courses (技能講習) or practical training (教習).
The bodies listed in Article 96, paragraph (3) — registered agencies for design reviews and post-manufacturing inspections, performance inspections, individual examinations and type examinations, registered inspection agencies, designated examination boards, registered training institutions, designated consultant examination boards and designated registration institutions — other than those doing the work at an office outside Japan.
In Article 108-2, an epidemiological survey or other investigation that the Minister of Health, Labour and Welfare may carry out to grasp how chemical substances and other things workers are exposed to, or the work they do, relate to their diseases.
The date, set by Cabinet Order (政令) within six months of promulgation, on which the provisions listed in Article 1, item (ii) of the supplementary provisions (附則) of Act No. 82 of 2014 come into effect, among them that Act's amendments to Articles 88 and 89 and to Appended Tables 2, 4 and 14.
第一種圧力容器
A pressure vessel of a kind Cabinet Order (政令) specifies.
圧力容器であつて政令で定めるもの
A course teaching how to operate vehicle-type construction machinery and other vehicle-type machinery Cabinet Order (政令) specifies, other than the courses in items (xxix) to (xxxii) of Appended Table 18 (forklifts, shovel loaders, rough-terrain carriers and aerial work platforms).
車両系建設機械その他の政令で定める車両系機械の運転に係る技術を取得させるための講習（第二十九号から第三十二号までに規定する講習を除く。）
建築物貸与者
A person who leases a building of a kind Cabinet Order (政令) specifies to a person running a business.
The standards or safety devices that the Minister of Health, Labour and Welfare sets for machinery or other equipment under Article 42, as Article 43-2, paragraph (1), item (iv) and Appended Table 4, item (xiv) refer to them.
A person who has given notice of an alternative chemical name, etc. (代替化学名等) under Article 57-2, paragraph (3) in place of an ingredient's real chemical name.
A committee as defined in Article 7 of the Act on Special Measures for Improvement of Working Hours Arrangements (Act No. 90 of 1992): a committee for a single workplace, of members representing the employer and the workers, that studies how working hours and related arrangements can be improved and advises the employer, and that meets that Article's requirements, among them that half its members be nominated on the recommendation of the workers' majority union or majority representative and that minutes be made and kept.
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
In Article 66-10, a physician, a public health nurse (保健師) or another person a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies, who carries out the examination an employer must give workers to grasp how much psychological strain they are under.
In Article 77, the registration with the Director of the Prefectural Labour Bureau (都道府県労働局長) under Article 14, Article 61, paragraph (1) or Article 75, paragraph (3) to give skill training courses (技能講習) or practical training (教習), made for each category a Ministry of Health, Labour and Welfare Order (厚生労働省令) sets, on the application of a person who seeks to give them.
重大な労働災害
In Article 78, an industrial injury (労働災害) that a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies as serious.
The first-stage course (前期課程) of a professional university (専門職大学) under the School Education Act.
In Article 115-3, design reviews and post-manufacturing inspections, performance inspections, individual examinations and type examinations: the work of the registered agencies whose officers or employees are punished there for taking bribes.
特定機関
In Article 115-3, a registered agency for design reviews and post-manufacturing inspections, for performance inspections, for individual examinations or for type examinations, whose officers or employees are punished there for taking bribes.
労働者派遣法
Short name for this Act, the Act on Ensuring the Proper Operation of Worker Dispatching Services and Protecting Dispatched Workers (Act No. 88 of 1985), used in the wording it writes into other Acts and in the supplementary provisions of Acts that amended it.
A person who runs a business (事業) but employs no workers (労働者).
事業を行う者で、労働者を使用しないもの
特定作業
In Article 31-3, work with machinery of a kind a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies, done at one site by the people working for two or more employers (事業者) or individual business operators (個人事業者) in the construction industry.
In Article 38, paragraphs (1) and (2), imported boilers, class-1 pressure vessels, mobile cranes or gondolas, with the related matters a Ministry of Health, Labour and Welfare Order (厚生労働省令) specifies, for which the foreign manufacturer may itself undergo the post-manufacturing inspection.
In Article 50, paragraph (3), an insurance contract that can cover the money needed to compensate for damage a registered agency for design reviews and post-manufacturing inspections (登録設計審査等機関) causes in that work.
A design review (設計審査) or a post-manufacturing inspection (製造時等検査) of specified machinery (特定機械等): the work a registered agency for design reviews and post-manufacturing inspections is registered to do.