Fertiliser containing ammonium nitrate has in many cases been used to make bombs in connection with terrorism.
In 2008, the EU therefore adopted rules that limit access to buying fertilisers with more than 16% nitrogen from ammonium nitrate.
The fertiliser may only be sold to companies that use it in connection with their business, i.e. agriculture, horticulture, golf courses and more. The companies must also be registered with the authorities, in Denmark this means with the Danish Agency for Agriculture.