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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 D3
Indirect Clearer Requirements
 		Retail batch payment system
Rule D4
Institution Numbers and Clearing Agency/Representative Arrangements
 		Retail batch payment system
Rule E1
Shared Electronic Point-of-Service Payment Items
 		Retail batch payment system
Rule E2
Exchange for the Purpose of Clearing and Settlement of Electronic On-line Payment Items
 		Retail batch payment system
Rule E3
Rules Applicable to Electronic Data Interchange (EDI) Transactions
 		Retail batch payment system
Rule E4
Exchange of PIN-less Point-of-Service Debit Payment Items for the Purpose of Clearing and Settlement
 		Retail batch payment system
Rule E5
Exchange of Point-of-Service Delayed Authorization Debit Payment Items for the Purpose of Clearing and Settlement
 		Retail batch payment system
Rule F1
Rules applicable to Automated Funds Transfer (AFT) Transactions
 		Retail batch payment system
Rule F4
Rules applicable to Automated Funds Transfer (AFT) Transactions using ISO 20022 messages
 		Retail batch payment system
Rule F7
Financial Institutions File (FIF)
 		Retail batch payment system
Rule F8
Direct Payment Routing Numbers
 		Retail batch payment system
Rule G2
General Rules Pertaining to Government of Canada Paper Instruments
 		Retail batch payment system