SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934
For the month of March 2004
COMMISSION FILE NUMBER: 1-8887
TRANSCANADA PIPELINES LIMITED
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(Translation of Registrant's Name into English)
450 - 1ST STREET S.W., CALGARY, ALBERTA, T2P 5H1, CANADA
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(Address of Principal Executive Offices)
Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F:
Form 20-F Form 40-F X
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Indicate by check mark whether by furnishing the information contained
in this Form, the registrant is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
Yes No X
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The following document is hereby filed with the Securities and Exchange
Commission for the purpose of being and hereby is incorporated by reference into
Post-Effective Amendment No. 1 on Form F-9 to Registration Statement on Form
F-10 (File No. 333-101140) of TransCanada PipeLines Limited:
1 Underwriting Agreement dated March 22, 2004 between
TransCanada PipeLines Limited and the underwriters
listed therein.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.
TRANSCANADA PIPELINES LIMITED
Date: March 23, 2004
By: /s/ Rhondda E.S. Grant
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Name: Rhondda E.S. Grant
Title: Vice-President and Corporate
Secretary
EXHIBIT INDEX
1 Underwriting Agreement dated March 22, 2004 between TransCanada
PipeLines Limited and the underwriters listed therein.