ACSS rule changes enhance payment system processes
These changes took effect on July 27, 2026.
Payments Canada has implemented a series of administrative and operational amendments to the Automated Clearing Settlement System (ACSS) rules. These updates provide expanded definitions and process efficiency.
Payments Canada’s rules, standards and procedure documents are updated regularly and versions posted online are in force. You can contact Payments Canada for confirmation by e-mail at info@payments.ca.
| Item | Title | Updated | System |
|---|---|---|---|
| Rule 3 |
Access
|
High-value payment system - Lynx | |
| Rule 4 |
Commencement
|
High-value payment system - Lynx | |
| Rule 5 |
Point of contact
|
High-value payment system - Lynx | |
| Rule 6 |
Payment transmission
|
High-value payment system - Lynx | |
| Rule 7 |
Settlement queues and conditional release mechanism
|
High-value payment system - Lynx | |
| Rule 8 |
Management of settlement mechanisms
|
High-value payment system - Lynx | |
| Rule 9 |
End of payments processing cycle
|
High-value payment system - Lynx | |
| Rule 10 |
Finality and return
|
High-value payment system - Lynx | |
| Rule 11 |
Testing and certification
|
High-value payment system - Lynx | |
| Rule 12 |
Emergencies
|
High-value payment system - Lynx | |
| Rule 13 |
Suspension, revocation and reinstatement
|
High-value payment system - Lynx | |
| Rule 14 |
Claims and compensation
|
High-value payment system - Lynx |