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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

 

FORM 6-K/A

 

Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the
Securities Exchange Act of 1934

 

For the month of March, 2007
Commission File Number: 001 - 15214

 

TRANSALTA CORPORATION
(Translation of registrant's name into English)

 

110-12th Avenue S.W., Box 1900, Station "M", Calgary, Alberta, T2P 2M1
(Address of principal executive offices)

 

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F    o                        Form 40-F ý

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes    o                        No    ý

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-                        



EXPLANATORY NOTE

        This amendment on Form 6-K/A amends the Registrant's Report on Form 6-K for the month of March 2007 dated March 15, 2007 solely for the purpose of refilling exhibits 99.1 and 99.2 thereto to correct the time of the Registrant's Annual and Special Meeting of Shareholders to be held on April 26, 2007. Exhibits 99.1 and 99.2 accompanying this filing supersede the corresponding exhibits to the original filing.

99.1   The Registrant's Notice of Annual and Special Meeting and Management Proxy Circular dated March 9, 2007 filed as Exhibit 99.1 to this Form 6-K (excluding the Sections entitled "Report on Executive Compensation", "Performance Graph", "Corporate Governance", and "Appendix "B", "Statement of Corporate Governance Practices", which shall be deemed not to be incorporated by reference) is hereby filed for the purpose of being and hereby is incorporated by reference into the Registrant's registration statements filed under the Securities Act of 1933, as amended.
        
99.2   The Form of Proxy of the Registrant for 2007 Annual and Special Meeting.


Signatures

        Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this amended report to be signed on its behalf by the undersigned, thereunto duly authorized.

    TransAlta Corporation
            
    By:   /s/ Maryse St.-Laurent
        Maryse St.-Laurent
Corporate Secretary

Date: March 19, 2007



EXHIBIT INDEX

99.1   The Registrant's Notice of Annual and Special Meeting and Management Proxy Circular, dated March 9, 2007 (Only portions of which are being filed as described in the body of this report)
        
99.2   The Form of Proxy of the Registrant for 2007 Annual and Special Meeting



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EXPLANATORY NOTE
Signatures
EXHIBIT INDEX