1991 Establishment Census of Japan: Survey Outline, Questionnaire, etc.

All establishments in Japan (excluding Shimabara City and Fukae-cho in Nagasaki prefecture) on the date of the census, except the following:
1. Individual proprietorships that, based on the 1984 version of the Japan Standard Industrial Classification, were classified as belonging to Division A: Agriculture, Division B: Forestry, or Division C: Fisheries.
2. Establishments that, based on the 1984 version of the Japan Standard Industrial Classification, were classified as belonging to Major Group 74: Domestic Services or Major Group 96: Foreign Governments and International Agencies in Japan.
3. Establishments set up within fee-charging facilities such as theaters, amusement parks, sports stadiums, or within the ticket barriers of stations.
4. Households in which an individual, alongside housework, carries out piecework without any special equipment.
5. Establishments without paid employees, such as neighborhood associations.
6. Establishments that have closed down and have no employees.
7. Establishments that operate on a seasonal basis and did not operate on the day of the census.

Note: Apart from the fact that parts of Nagasaki prefecture were excluded, the types of establishments included and excluded were identical to those in the 1986 Establishment Census.

在日本（不包括长崎县的志摩町和福江町）的普查日期，所有机构均被纳入，但以下机构除外：
1. 根据1984年版本的《日本标准产业分类》，被划分为A类：农业、B类：林业或C类：渔业的个体经营业主。
2. 根据1984年版本的《日本标准产业分类》，被划分为主要组别74：国内服务或主要组别96：外国政府及日本国际机构的机构。
3. 设立于收费设施内，如剧院、游乐园、体育场馆或车站售票口的机构。
4. 家中个体在从事家务劳动的同时，进行无特殊设备的手工活。
5. 没有支付工资员工的机构，如邻里协会。
6. 已关闭且无员工的机构。
7. 在普查当天不运营的季节性机构。
注：除了长崎县的部分地区被排除在外，纳入和排除的机构类型与1986年机构普查中的类型相同。