| 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 | 
| 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 |