Chapter II Establishment and Extinction of Insurance Relation
第二章 保険関係の成立及び消滅
Article 3Establishment of Insurance Relation
第三条（保険関係の成立）
For business operators of the applicable business set forth in Article 3, paragraph (1) of the Industrial Accident Insurance Act, the insurance relation of labor insurance pertaining to industrial accident insurance in respect of such business (hereinafter referred to as the "insurance relation") is established on the date the business is commenced.
労災保険法第三条第一項の適用事業の事業主については、その事業が開始された日に、その事業につき労災保険に係る労働保険の保険関係（以下「保険関係」という。）が成立する。
第四条
For business operators of the applicable business set forth in Article 5, paragraph (1) of the Employment Insurance Act, the insurance relation pertaining to employment insurance in respect of such business is established on the date the business is commenced.
雇用保険法第五条第一項の適用事業の事業主については、その事業が開始された日に、その事業につき雇用保険に係る保険関係が成立する。
Article 4-2Notification of Establishment of Insurance Relation
第四条の二（保険関係の成立の届出等）
The business operators of the business in respect of which the insurance relation has been established pursuant to the provisions of the preceding two Articles, within 10 days from the date of establishment, must notify the government of the date of establishment, the name and address of the business operator, the type of the business, the place where the business is operated and any other matters specified by Order of the Ministry of Health, Labour and Welfare.
The business operators of the business in respect of which the insurance relation has been established, in the case any change is made to the matter specified by Order of the Ministry of Health, Labour and Welfare among the matters prescribed in the preceding paragraph, must notify the government of the change within the period specified by Order of the Ministry of Health, Labour and Welfare.
Article 5Extinction of Insurance Relation
第五条（保険関係の消滅）
If a business in respect of which the insurance relation has been established is discontinued or terminated, the insurance relation for the business becomes extinct on the day following the date of discontinuance or termination.
保険関係が成立している事業が廃止され、又は終了したときは、その事業についての保険関係は、その翌日に消滅する。
Deleted
削除
If two or more businesses meet the following requirements, the provisions of this Act apply by deeming that all those businesses constitute one single business:
二以上の事業が次の要件に該当する場合には、この法律の規定の適用については、その全部を一の事業とみなす。
the businesses are operated by the same business operator;
事業主が同一人であること。
each business has set a definite term of business (hereinafter referred to as the "business with a definite term");
それぞれの事業が、事業の期間が予定される事業（以下「有期事業」という。）であること。
the size of each business is the same as or smaller than that specified by Order of the Ministry of Health, Labour and Welfare;
それぞれの事業の規模が、厚生労働省令で定める規模以下であること。
each business is operated concurrently with all or a part of other such business; and
それぞれの事業が、他のいずれかの事業の全部又は一部と同時に行なわれること。
beyond what is set forth in each of the preceding items, the businesses meet any other requirement 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要件に該当すること。
Article 8Grouping of Contracted Work
第八条（請負事業の一括）
If a business specified by Order of the Ministry of Health, Labour and Welfare is conducted through multiple contracted work, the provisions of this Act apply to the business as one single business, and only the master contractor is deemed to be the business operator thereof.
厚生労働省令で定める事業が数次の請負によつて行なわれる場合には、この法律の規定の適用については、その事業を一の事業とみなし、元請負人のみを当該事業の事業主とする。
In the case prescribed in the preceding paragraph, if the master contractor and the subcontractor apply for the application of the provision of the same paragraph to a business pertaining to a contract undertaken by the subcontractor, and obtain the approval of the Minister of Health, Labour and Welfare, the provision of the same paragraph apply by deeming that the subcontractor is the master contractor in respect of the business pertaining to the contract.
Article 9Grouping of Continued Businesses
第九条（継続事業の一括）
With regard to two or more businesses operated by the same employer (limited to businesses other than the businesses with a definite term) and meeting the requirements specified by Order of the Ministry of Health, Labour and Welfare, if the employer applies for the grouping of the insurance relations already established in respect of the two or more businesses in a single insurance relation, in whole or in part, and obtains the approval of the Minister of Health, Labour and Welfare, the provisions of this Act apply by deeming that all workers employed for the two or more businesses so approved are employed for the one business among those businesses that is designated by the Minister of Health, Labour and Welfare. In this case, the insurance relations of the businesses other than the single business designated by the Minister of Health, Labour and Welfare become extinct.