Rules & documentation

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
Association By-law No. 10
RTR
Real-Time Rail payment system, System by-laws
Quick links - RTR
Real-Time Rail (RTR) payment system rules and by-laws
Real-Time Rail payment system
Rule 1
Interpretation
Real-Time Rail payment system
Rule 2
General
Real-Time Rail payment system
Rule 3
Points of Contact
Real-Time Rail payment system
Rule 4
Participant Access
Real-Time Rail payment system
Rule 5
Connection Service Providers, Third-Party Exchanges and Competitive Services
Real-Time Rail payment system
Rule 6
RTR Exchange
Real-Time Rail payment system
Rule 7
Funds Availability Exceptions and Returns
Real-Time Rail payment system
Rule 8
Clearing, Settlement, Funding and Defunding
Real-Time Rail payment system
Rule 9
Participant and System Incidents
Real-Time Rail payment system
Rule 10
Remittance Information
Real-Time Rail payment system