Overall conclusions on the application for approval of chitosan hydrochloride as a basic substance for extension of use in plant protection for oilseed rape crops and potatoes

The European Food Safety Authority (EFSA) was asked by the European Commission to provide scientific assistance with respect to the evaluation of applications received in accordance with Article 23 of Regulation (EC) No 1107/2009 concerning basic substances. This evaluation was requested by way of a specific mandate from the European Commission following the submission of an application for approval of chitosan hydrochloride as a basic substance for extension of use in plant protection for oilseed rape crops and potatoes.