REACH | Registrant’s guide - How to act in substance evaluation April 2020

Your substances


The purpose of this Practical Guide is to explain in simple terms what substance evaluation is, and how substances are selected and subsequently evaluated. This guide aims also to highlight the opportunities as well as the obligations that you, as a registrant, have in providing the information requested under substance evaluation. This guide describes (i) what kind of different administrative outcomes you can expect from the substance evaluation process and (ii) how and when you can react to communications received from an evaluating Member State competent authority (eMSCA) or from ECHA.

This guide also addresses data sharing and communication between registrants of the same substance.

Link to the Registrant’s guide - How to act in substance evaluation


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