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NCHO
SR 451.1 — Ordinance of 16 January 1991 on the Protection of Nature and Cultural Heritage (NCHO).
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:NOTE [links:https://fedlex.data.admin.ch/eli/cc/1991/249_249_249]
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.
English consolidation of 1 August 2025, which is also the date of the current binding text.

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Preamble
The Swiss Federal Council,
on the basis of Article 26 of the Federal Act of 1 July 1966 on the Protection of Nature and Cultural Heritage (NCHA),Article 44 paragraph 1 of the Environmental Protection Act of 7 October 1983 (USG), and in implementation of the Convention 19 September 1979 on the Conservation of European Wildlife and Natural Habitats,
ordains:
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SR 451
SR 814.01
SR 0.455
Amended by No I of the O of 19 June 2000, in force since 1 Aug. 2000 (AS 2000 1869).

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Contents
1. Nature Protection, Cultural Heritage Protection and Monument Preservation in the Fulfilment of Federal Tasks — 3 articles
2. Federal support for Nature Protection, Cultural Heritage Protection and Monument Preservation — 13 articles
3. Protection of Indigenous Flora and Fauna — 9 articles
4. Mires and Mire Landscapes of Outstanding Beauty and National Importance — 2 articles
5. Implementation — 7 articles
6. Final Provisions — 3 articles

:LINK
https://fedlex.data.admin.ch/filestore/fedlex.data.admin.ch/eli/cc/1991/249_249_249/20250801/en/html/fedlex-data-admin-ch-eli-cc-1991-249_249_249-20250801-en-html-1.html
Official text on Fedlex — consolidation of 1 August 2025