8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

___________

FORM 8-K

CURRENT REPORT

Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) October 24, 2017

TC PipeLines, LP

(Exact name of registrant as specified in its charter)

Delaware	001-35358	52-2135448
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer  Identification No.)

700 Louisiana Street, Suite 700 Houston, TX	77002-2761
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code (877) 290-2772

(Former name or former address if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company	☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised	☐
financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 8.01Other Events .

On October 24, 2017, TC PipeLines, LP (the "Partnership") issued a press release announcing a third quarter 2017 cash distribution of $1.00 per common unit payable on November 14, 2017 to common unitholders of record on November 3, 2017.  A copy of the press release is attached as Exhibit 99.1 to this report. 

Item 9.01Financial Statements and Exhibits .

(d)            Exhibits.

Exhibit No.	Description
99.1	Press Release of TC PipeLines, LP, dated October 24, 2017, reporting the Partnership's third quarter 2017 cash distribution.

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SIGNATURES

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 hereunto duly authorized.

TC PipeLines, LP

by:  TC PipeLines GP, Inc.,

its general partner

By:   /s/ Jon Dobson

Jon Dobson

Secretary

Dated:  October 24, 2017

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EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release of TC PipeLines, LP, dated October 24, 2017, reporting the Partnership's third quarter 2017 cash distribution.

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EX-99.1

Exhibit 99.1

NewsRelease

TC PipeLines, LP Announces 2017 Third Quarter 2017 Cash Distribution

HOUSTON, TEXAS –(Marketwired- October 24, 2017) –TC PipeLines, LP (NYSE:TCP) (the Partnership) today announced that the board of directors of TC PipeLines GP, Inc., its general partner, declared the Partnership's quarterly cash distribution for the third quarter ended September 30, 2017 of $1.00 per common unit.  The distribution is unchanged from the second quarter 2017 distribution and represents a 6 percent increase from the $0.94 per common unit paid for third quarter of 2016.

This cash distribution is the 74^th consecutive quarterly distribution paid by the Partnership and is payable on November 14, 2017 to unitholders of record at the close of business on November 3, 2017.

TC PipeLines, LP is a Delaware master limited partnership with interests in eight federally regulated U.S. interstate natural gas pipelines which serve markets in the Western, Midwestern and Northeastern United States. The Partnership is managed by its general partner, TC PipeLines GP, Inc., a subsidiary of TransCanada Corporation (NYSE: TRP). For more information about TC PipeLines, LP, visit the Partnership's website at www.tcpipelineslp.com.

This release serves as qualified notice to nominees under Treasury Regulation Section 1.1446-4(b)(4) and (d). Please note that 100 percent of TC PipeLines, LP's distributions to foreign investors are attributable to income that is effectively connected with a United States trade or business. Accordingly, all of the Partnership's distributions to foreign investors are subject to federal income tax withholding at the highest effective tax rate for individuals or corporations, as applicable. Nominees are treated as the withholding agents responsible for withholding distributions received by them on behalf of foreign investors.

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Media Enquiries:

Mark Cooper / James Millar

403.920.7859 or 800.608.7859

Unitholder and Analyst Enquiries:

Rhonda Amundson

877.290.2772

investor_relations@tcpipelineslp.com