You need authorisation by the Swedish Chemicals Agency to sell or use pesticides in Sweden. A pesticide is a plant protection product or a biocidal product.
Plant protection products
Plant protection products are pesticides used mainly to protect plants and plant products in agriculture, forestry and horticulture.
Biocidal products are all other pesticides, such as disinfectants, wood preservatives, mosquito repellents, rodenticides, and anti-fouling paints.
Things you need to know before you apply
Look at this flow chart to find out if you need to apply for authorisation for your biocidal product and if so, which set of regulations you should follow.
Click to enlarge the picture.