| 24 May 2021 | Submission of Special Session proposals |
| 31 May 2021 | Extended: Submission of: (i) structured abstracts (for full papers, short papers) for the main conference |
| 31 May 2021 | Notification of acceptance for special Sessions notification and announcement |
| 07 Jun 2021 | Notification of acceptance for abstracts for the main conference. |
| 12 Jul 2021 | Extended: Submission of: (i) complete papers for all submission types (ii) proposals for round tables, workshops, tutorials |
| 29 Jul 2021 | Notification of acceptance |
| 25 Aug 2021 | Late Paper submission |
| 13 Sep 2021 | Extended: Camera-ready due & author registration deadline |
| 04 Nov 2021 | IMCL2021 Conference Opening |