Legislation
According to the Finnish Government Decree on Quality Requirements for Motor Gasoline, Diesel Oil and Certain Other Liquid Fuels, the customs authorities are obliged to monitor compliance with the mandatory quality requirements by taking a representative number of samples from fuel depots and distribution stations and by analyzing the samples. The Customs Department reports the results to the Ministry of the Environment. The national district organization of Finnish Customs takes liquid fuel samples in accordance with the sampling plan, and the samples are analyzed at the Customs Laboratory or by subcontractors whose competence has been confirmed.