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Exhibit 4.12
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| | Mayer Brown LLP 71 South Wacker Drive Chicago, Illinois 60606-4637 Main Tel (312) 782-0600 Main Fax (312) 701-7711 www.mayerbrown.com |
September 21, 2009 | | |
Alberta Securities Commission British Columbia Securities Commission Saskatchewan Financial Services Commission, Securities Division The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers Nova Scotia Securities Commission Securities Office, Prince Edward Island New Brunswick Securities Commission Securities Commission of Newfoundland and Labrador Northwest Territories Securities Registry Yukon Territory Securities Registry Nunavut Securities Registry | | |
Re : TransCanada Corporation (the "Corporation")
Ladies and Gentlemen :
We refer to a final short form base shelf prospectus dated September 21, 2009 of the Corporation (the "Prospectus"), referring to the qualification for distribution of securities of the Corporation.
We hereby consent to the references to our firm name on the cover page of the Prospectus and under the headings "Legal Matters," "Interest of Experts" and "Documents Filed as Part of the Registration Statement".
Very truly yours,
(Signed) Mayer Brown LLP
Mayer Brown LLP
Mayer Brown LLP operates in combination with our associated English limited liability partnership
and Hong Kong partnership (and its associated entities in Asia).
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