Growers who are producing under the Planet Proof scheme are able to achieve a bonuspoint by using Chitosan hydrochloride (page 84) https://www.planetproof.eu/816/m/planetproofcertificeren/download.html?downloadId=400&downloadUrl=https://www.smk.nl/Public/PlanetProof_documenten/Plantaardige_producten_centraal_europa_2020/Certificatieschema%20PlanetProof%20Plantaardige%20producten%20PP.3%20-%2014-2-2020.pdf&downloadName=Certificatieschema+PlanetProof+plantaardige+producten+(NL)
DB-Chitis meets the Product evaluation criteria for the Dutch Inputs List for Organic farming. FiBL SKAL certificate 2020