| 1 | Declaration of IVIS 2021 and invitation to attendees at IVIS 2021 | October 1, 2019 |
| 2 | Abstract submission open | June 1, 2020 |
| 3 | Registration starts | February 1, 2021 |
| 4 | Abstract submission – deadline | July 30, 2021 |
| 5 | Notification of accepted abstracts for papers and posters | August 30, 2021 |
| 6 | Early bird registration – deadline | December 30, 2021 |
| 7 | Comments and final submission | January 30, 2022 |
| 8 | IVIS 2021 detailed programme agenda launch | March 1, 2022 |
| 9 | IVIS 2021 | April 11-12, 2022 |
