The legal basis for all first aid institutions in industry, trade, administration and educational institutions is based on the workstation rule ASR A4.3. The nature and scope of the first aid facilities that must be available depend on the risk assessment in the company. The entrepreneur is responsible for assessing and taking appropriate measures. For small service first-aid kits, the equipment of DIN 13157 serves as a guide. Extract from the accident prevention regulations: a) in administrative and commercial establishments from 1 to 50 employees = 1 first-aid kit DIN 13157 b) in manufacturing and processing plants from 1 to 20 employees = 1 first-aid kit DIN 13157 c) on construction sites from 1 to 10 employees = 1 first-aid kit DIN 13157 first aid kits DIN 13157 are also available for Can be used in the field. For larger spatially extended expansions within a company over different buildings or several floors, first aid containers should be used