Our website is temporarily limited for security maintenance
Some online services and forms are unavailable while we complete precautionary security maintenance. You can still log in to the following services and download key forms. For contact information please refer to the below.
Last updated: 2026-10-23 15:00 ET
Participant Access to CDSX
Access Web-based Services via TMX-CDS Connect.
- Ledger Activities
- Issue Activities
- Book-entry strips & Packages
- Non-Transferable Issue Activities
- Deposit & Withdrawal Activities
- Entitlement Activities
- Payment Exchange Activities
- Transfer Requests
Issuer & Commercial User Access to CDSX
Access Web-based Services via TMX-CDS Connect.
- ISIN Issuance & Eligibility
- Holders of Record
- Notice of Record & Meeting Dates
- Unqualified Letter of Confirmation
CDS Services
Online account services that remain available. If a service does not load, call the number for your account in the contacts section.
CDS Bulletins
CDS Forms Online
Tax Breakdown Service
BEO Services
Shareholder Meeting Index
Sign-up to TMX CDS Participant Fee Committee Meeting
Dividend Eligibility Service
Notice of Record & Meeting Date Publication Request
TMX-CDS offers a cost effective solution for Issuers to remain compliant and publish Shareholder meeting notices on Canada’s leading financial press (Globe & Mail + Journal de Montreal) as well as the TMX-CDS Shareholder Meeting website. The Notice of Record & Meeting Dates Publication Requests can be submitted online through the CDSX application. Requestors unable to submit their requests via CDSX. Please contact nrmd@tmx.com.
Holders of Record Request
TMX-CDS offers the ability to request an updated list of individuals and entities who are registered shareholders as of a specified date through the CDSX application.
3rd Party RequestorsAdditional documents will be required, including the Undertaking and Company Letterhead instruction letter.
Please upload a signed instruction letter on your firm's letterhead containing:
- Name of the security, ISIN#, and record date
- Contact name, telephone number, and company address
- Email address of the issuer
Complete and upload the CDSX780 – National Instrument 54-101 form.
Requestors unable to submit their requests via CDSX, please contact nrmd@tmx.com.
The Canadian Depository for Securities Limited
CDS Clearing and Depository Services Inc.
Regional offices:
733 Seymour St, Suite 2310
Vancouver, BC
V6B 0S6
685 Centre Street SW, Suite 2110
Calgary AB
T2G 1S5
100 Adelaide Street West
Toronto, ON
M5H 1S3
1700 – 1190, avenue des Canadiens-de-Montréal C. P. 14
Montréal (Québec) H3B 0G7
General Inquiries and/or Customer Production Support:
cdscustomersupport@tmx.com
Client Relationship Managers:
cdsrelationshipmgmt@tmx.com
CDS Innovations and/or dividend eligibility service:
cdsrelationshipmgmt@tmx.com
ISIN Issuance and ISIN Eligibility Services:
CDSeligibility@tmx.com
After Hours IT Technical Support:
+1-800-387-4681 and/or servicedesk@tmx.com