Article 19 — Access rights and transparency

1. Without prejudice to Regulation (EC) No 1049/2001, the public shall have access to all the chemicals data contained in the common data platform, except data which are indicated in accordance with Article 5(2) of this Regulation as not being made available to the public under the originating Union act. 2. The Authorities shall have access to all the chemicals data contained in the common data platform, including data which are indicated in accordance with Article 5(2) as not being made available to the public under the originating Union act. 3. The Authorities shall take the necessary measures, including security measures, to ensure that information contained in the common data platform indicated in accordance with Article 5(2) as not being made available to the public under the originating Union act are not made available to the public.