Canada's Real-Time Rail: what it means for your e-Transfer

What the Real-Time Rail is

Payments Canada is creating a new national payment system known as the Real-Time Rail (RTR). This system moves money between financial institutions in real time. Payments on the rail must settle within 10 seconds. The RTR will run 24 hours a day, 365 days a year, and includes centralised fraud capabilities.

Two well-known companies provide the main technology. Interac supplies the exchange layer to carry payment messages. Mastercard's Vocalink handles clearing and settlement. TCS manages the integration, while IBM Canada and CGI support operations and delivery.

If your business takes e-Transfer payments, the RTR is the new system those payments will eventually use.

The by-law is in force, but nothing changed yet

The legal framework preceded other changes. Canadian Payments Association By-law No. 10 and the RTR Rules began on August 24, 2026. The by-law appeared in the Canada Gazette, Part 2, on July 1, 2026.

That date marked a legal milestone rather than a launch. No services went live for consumers or businesses that day. Your e-Transfers functioned the same on August 25 as they did on August 23.

The production launch is planned for Q4 2026. Access will open in phases, starting with a group of direct participants. All participants should have access sometime in 2027. These dates are targets and may change.

Your e-Transfer keeps working as-is

Small businesses care most about Interac e-Transfer. Its clearing and settlement will move to the RTR. This migration is targeted to start in Q1 2027, continue through Q2 2027, and reach full transaction volumes in Q3 2027.

This provides a key reassurance. Interac remains the front end of e-Transfer throughout the entire migration. Autodeposit and the e-Transfer experience you and your customers know will continue working as-is. The product is expected to look the same while the underlying plumbing changes.

You can continue accepting e-Transfer payments during this transition without making any changes.

Richer payment data with ISO 20022

The RTR follows the ISO 20022 international standard for payment messages. Payments Canada has released message specifications specific to the RTR. These specifications include support for global interoperability and enhanced remittance data.

Remittance data includes information that accompanies a payment, like the reason for it. This migration moves e-Transfer from legacy message formats to ISO 20022. Simply put, more detail can travel with each payment rather than arriving as a separate piece of information.

Payments are final, so refunds work differently

The Payments Canada RTR Participation Guide notes that the system includes real-time settlement and irrevocable payments. An irrevocable payment is one that cannot be pulled back through the network once it has settled.

This differs from card payments. Card networks have a dispute process to reverse charges. The RTR does not have an equivalent network reversal.

This affects two of your business habits. A refund requires you to send a new payment back to the customer. A dispute is settled between you and your customer instead of through a chargeback. Regarding fraud, participants on the rail must run fraud monitoring on transactions as they happen.