Decree No. 412 of the Cabinet of Ministers validating the Regulation on establishment of operational protective belts of navigation waterworks. Country/Territory Latvia Document type Regulation Date 2002 Source FAO, FAOLEX Subject Sea, Water Keyword Navigation Waterworks Geographical area Europe, Europe and Central Asia, European Union Countries, Northern Europe Abstract This Decree establishes the requirements for use and safety of operational protective belts of navigation technical waterworks, keeping, maintenance and control over the state of operational protective belts. It contains calculation formulae for the width of operational protective belts around marine lighthouses and other works. Full text Russian Website latvia.news-city.info