• 30 April 2021- the deadline of grandfathering notification.
• 28 October 2023- the deadline of full information of grandfathering and downstream users for 1000 tonnes or more per year .

1 tonne or more per year for CMRs

100 tonnes or more per year for very toxic substances to aquatic organisms

Candidate list substances having been announced on 31 December 2020

• 28 October 2025- the deadline of full information of grandfathering and downstream users for 100 tonnes or more per year.

Candidate list substances will be announced on 27 October 2023

• 28 October 2027 - the deadline of full information of grandfathering and downstream users for 1 tonne or more per year.

The deadline of notification of cosmetic products is 31 March 2021