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Ordinance 451.1 on the Protection of Nature and Cultural Heritage (OPN) of 16 January 1991 (Status 1 June 2017)

French
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PDF icon Ordonnance 451.1 sur la protection de la nature et du paysage (OPN) du 16 janvier 1991 (Etat le 1er juin 2017)286.42 KB
Published date: 
16 January 1991
English
Published date: 
19 Octubre 2021
CMS InstrumentCMS
TypeNational Legislation
Publish date16 January 1991
National Report countrySwitzerland