Canadian Payments Association Contains the rules used by Canadian deposit-taking financial institutions for clearing cheques and for electronic payments.
http://www.cdnpay.ca/
http://www.apacs.org.uk/
http://www.apca.com.au/
http://www.bis.org/cpss/
http://www.pasa.org.za/
http://www.secb.de/
http://www.sic.ch/
http://www.swift.com/
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