The IRC code is one the necessary information to provide when signing up with Steam. From what I read, it's a code for international money wiring. The thing is, I called my banker and he said that we don't have IRC code in Canada for simple payments between the US and Canada? Then what should I write in the steam application? (it's a required field...) Little update: So I'm from Canada and my business bank (the one I'm trying to register with Steam) is the Scotiabank. But I read on the TD bank website: "Please note that TD Canada Trust does not have an IBAN (International Standard for Bank Account Numbers) as it's not used by financial institutions in North America." (from what I understand, the IBAN is the IRC code????) SOLVED: In Canada banks simply call it routing number. Although we have only 8 digits for our routing numbers, banks add a 0 in front of the 8 digits, making it the required 9 digits for Steam.