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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 G3
Rules Pertaining to the Redemption and Settlement of Government of Canada Paper Instruments
 		Retail batch payment system
Rule G4
Canada Revenue Agency Acceptance of Payments Goods And Services Tax/Harmonized Sales Tax (Gst/Hst), Excise, Taxation, and Customs Programs
 		Retail batch payment system
Rule G7
Verification and Collection Procedures for Receiver General Warrants
 		Retail batch payment system
Rule G8
Procedures/Criteria Pertaining to the Encashment of Government of Canada Payment Items for Non-Customers
 		Retail batch payment system
Rule G9
Manual Preparation and Use in a Manual Balancing Situation of the Government Items Clearing Logs
 		Retail batch payment system
Rule G12
Procedures for Public Works and Government Services Canada (PWGSC) Direct Deposit Payment Items
 		Retail batch payment system
Rule H1
Pre-Authorized Debits
 		Retail batch payment system
Rule H2
Claim Drafts or Reimbursement Drafts
 		Retail batch payment system
Rule H3
Correction of Electronic Bill Payment Errors
 		Retail batch payment system
Rule H5
Redemption, Exchange and Settlement of Canadian Dollar Bonds, Debentures and Coupons
 		Retail batch payment system
Rule H6
Rules Pertaining to the Inter Financial Institution Exchange of Bill Payment Remittances for the Purpose of Clearing and Settlement
 		Retail batch payment system
Rule J7
Force Majeure Situations
 		Retail batch payment system