Regulation No. 166 on the preservation of Øyvassheia nature reserve, Åmli municipality, Aust-Agder.

The purpose of this Regulation is to preserve a rare, large and well-arranged prevalence of intact, old, big grown spruce with rich deposits of particularly rough, old aspen. The area has otherwise specifically significance for biodiversity in terms of being a great outpost site for old, rough spruce. It is the document's objective to retain conservation values ​​in the most pristine condition possible, and possibly develop them.