Payments Canada publishes ISO 20022 messages for Lynx

Payments Canada publishes ISO 20022 messages for Lynx, Canada’s new high-value payments system.

With the publication of ISO 20022 messages for Lynx, system participants can start preparing their existing applications to leverage the value of ISO 20022. Likewise, vendors who support Canada’s payments ecosystem can use the published messages to update their applications and develop new services for Lynx participants and the wider ecosystem.

The ISO 20022 messages for Lynx also support Canadian financial institutions preparing to meet SWIFT’s ISO 20022 migration date for cross-border payments, expected to roll out at the end of 2022.

The ISO 20022 messages for Lynx and related information are available on Payments Canada’s ISO 20022 Resource Centre




Overview of Message Portfolio - 

Corporate to Bank Message usage for AFT 
  • Pain.001- (Credit) –initiated by (or on behalf of) an originating corporate (or debtor) to the debtor’s agent (FI) to request movement of funds from the debtor to the creditor. 
  • Pain.008 (Debit) – initiated by (or on behalf of) an originating corporate (creditor) to the creditor’s agent (FI) to request collection of funds from a debtor. 
  • Pain.002 – initiated by the instructed agent (FI) and sent to the previous party in the payment chain to inform them of the status of the instruction it received from that party and to provide transactional details of rejects. 
  • Pain.007 – initiated by (or on behalf of) originating corporate to the next party in the chain or FI to request a reversal of a payment previously executed in accordance with established rules.
Clearing Message usage for AFT 
  • Pacs.008 – contains batched credit transactions exchanged between debtor agent and creditor agent to move funds from various debtors to various creditors. 
  • Pacs.003 - contains batched debit transactions exchanged between creditor and debtor agent to move funds from various creditors to various debtors. 
  • Pacs.007 - contains reversals of payments previously exchanged that may or may not have been processed to the customer’s account. 
  • Pacs.004 – contains returns of payments previously exchanged that was settled but unable to be posted in accordance with Rule F4. 
  • Acmt.022 – contains notifications from an instructed agent to an instructing agent to advise of the correct account identification information.
Bank to Corporate Message Usage 
  • Camt.052 – initiated by an FI to an account owner or to a party authorized by the account owner to inform of entries reported to the owner’s account(s) and/or to provide balanced information on these account(s) at a given point in time (i.e., bilaterally agreed intra day time intervals). 
  • Camt.053 – initiated by an FI to an account owner or to a party authorized by the account owner to inform of entries booked to the account(s) and provide balance information on the account(s) at a given point in time, usually end of day (i.e., end of day/week/month/year, etc. as bilaterally agreed). 
  • Camt.054 – initiated by an FI to an account owner or to a party authorized by the account owner to inform of entries reported to inform the owner or authorized party of single or multiple debits and credit entries reported on the account(s). 


We at Nth Exception collaborate with Banks and Financial Institutions to analyze, solutionize, and optimize cross border payments processes. To complement our services and product we have partnered with companies in the payments space to deliver best in class payment solutions delivered by our partners.