0001104659-14-044263.txt : 20140624 0001104659-14-044263.hdr.sgml : 20140624 20140605171659 ACCESSION NUMBER: 0001104659-14-044263 CONFORMED SUBMISSION TYPE: DEL AM PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20140605 DATE AS OF CHANGE: 20140605 EFFECTIVENESS DATE: 20140605 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TC PIPELINES LP CENTRAL INDEX KEY: 0001075607 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS TRANSMISSION [4922] IRS NUMBER: 522135448 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEL AM SEC ACT: 1933 Act SEC FILE NUMBER: 333-196523 FILM NUMBER: 14894414 BUSINESS ADDRESS: STREET 1: 717 TEXAS STREET, SUITE #2400 CITY: HOUSTON STATE: TX ZIP: 77002 BUSINESS PHONE: (877) 290-2772 MAIL ADDRESS: STREET 1: 717 TEXAS STREET, SUITE #2400 CITY: HOUSTON STATE: TX ZIP: 77002 DEL AM 1 a14-14629_4delam.htm CORRESP

tel 832.320.5201

fax 832.320.6201

email jon_dobson@transcanada.com

web www.tcpipelineslp.com

June 5, 2014

VIA EDGAR

Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549

Attention: Lisa Cole
Division of Corporation Finance

Re: TC PipeLines, LP
Registration Statement on Form S-3

(File No. 333- 196523)

Ladies and Gentlemen:

Reference is made to the Registration Statement on Form S-3 (File No. 333-196523) (the “Registration Statement”) filed by TC PipeLines, LP on June 4, 2014. Pursuant to Rule 473(c) of the Securities Act of 1933, as amended, the following delaying amendment is hereby incorporated on the facing page of the Registration Statement:

“The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.”

If you have any questions, please contact Brett Cooper at Orrick, Herrington & Sutcliffe LLP at (415) 773-5918.

Very truly yours,

/s/ JON A. DOBSON
Jon A. Dobson
Corporate Secretary of TC PipeLines GP, Inc., General Partner
of TC PipeLines, LP

cc: Brett Cooper (Orrick, Herrington & Sutcliffe LLP)

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