Calendar 2021:
| Description | Starting day | Duration | Venue | ![]() | |||
| EWG 21-01 | 1 March 2021 | 5 days | virtual meeting | | |||
| PLEN 21-01 | 22 March 2021 | 5 days | virtual meeting | | |||
| EWG 21-02 | 12 April 2021 | 5 days | virtual meeting | | |||
| 19 April 2021 | 5 days | virtual meeting | | ||||
| EWG 21-04 | 12 July 2021 | 5 days | virtual meeting | | |||
| EWG 21-05 | 17 May 2021 | 5 days | virtual meeting | | |||
| 11 October 2021 | 5 days | virtual meeting | | ||||
| 7 June 2021 | 5 days | virtual meeting | | ||||
| EWG 21-09 | 21 June 2021 | 5 days | virtual meeting | | |||
| EWG 21-10 | 31 May 2021 | 5 days | virtual meeting | | |||
| PLEN 21-02 | 5 July 2021 | 5 days | virtual meeting | | |||
| EWG 21-11 | 6 September 2021 | 5 days | virtual meeting | | |||
| EWG 21-12 | 13 September 2021 | 5 days | virtual meeting | | |||
| 20 September 2021 | 4 days | virtual meeting | | ||||
| EWG 21-13 | 27 September 2021 | 5 days | virtual meeting | | |||
| early 2022 | 5 days | JRC-Ispra | | ||||
| EWG 21-15 | 18 October 2021 | 5 days | virtual meeting | | |||
| EWG 21-16 | 25 October 2021 | 5 days | virtual meeting | | |||
| EWG 21-17 | 1 November 2021 | 5 days | virtual meeting | | |||
| EWG 21-18 | 1 November 2021 | 5 days | virtual meeting | | |||
| PLEN 21-03 | 15 November 2021 | 5 days | virtual meeting | |
