Access the most current information about CSA National Systems updates, scheduled maintenance and the SEDAR+ known issues and workarounds that are being addressed. Please check back regularly for the latest information.
| System | Status | Details |
|---|---|---|
| SEDAR+ |  Operational | View the SEDAR+ known issues and workarounds |
| SEDI (System for Electronic Disclosure by Insiders) | Operational | – |
| NRD (National Registration Database) | Operational | – |
| NRS (National Registration Search) | Operational | – |
Scheduled maintenance
| System | Start | End |
|---|---|---|
| SEDAR+ | January 17 at 8:00 a.m. ET | January 18 at 6:00 a.m. ET |
| SEDI | January 17 at 7:00 a.m. ET | January 18 at 11:59 p.m. ET |
| NRD | January 17 at 7:00 a.m. ET | January 18 at 11:59 p.m. ET |
Summary of systems updates
| Date of system update | Notes |
|---|---|
| November 24, 2025 | SEDAR+ quarterly update details: November 2025 |
| August 5, 2025 | SEDAR+ quarterly update details: August 2025 |
| March 3, 2025 | SEDAR+ quarterly update details: March 2025 |
| November 18, 2024 | SEDAR+ quarterly update details: November 2024 |
| August 16, 2024 | SEDAR+ quarterly update details: August 2024 |
| April 7, 2024 | SEDAR+ quarterly update details: April 2024 |
| December 3, 2023 | SEDAR+ quarterly update details: December 2023 |
CSA Service Desk
Contact the CSA Service Desk for technical problems or for questions regarding the CSA National Systems.
Assistance is provided in English and French.
Toll-free (within North America): 1-800-219-5381
Outside North America: 1-514-878-8377
Email support for:
National Registration Database (NRD): nrd@csa-acvm.ca
SEDAR+: sedarplus@csa-acvm.ca
System for Electronic Disclosure by Insiders (SEDI): sedi@csa-acvm.ca