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) July 20, 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 (see General Instruction A.2. below):

[ ] 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 8.01  Other Events.

On July 20, 2017, TC PipeLines, LP (the "Partnership") issued a press release announcing a second quarter 2017 cash distribution of $1.00 per common unit payable on August 11, 2017 to common unitholders of record on August 1, 2017.  A copy of the press release is attached as Exhibit 99.1 to this report. 

Item 9.01   Financial Statements and Exhibits.

(d)            Exhibits.

Exhibit No.	Description
99.1	Press Release of TC PipeLines, LP, dated July 20, 2017, reporting the Partnership's second 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:  July 20, 2017

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EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release of TC PipeLines, LP, dated July 20, 2017, reporting the Partnership's second quarter 2017 cash distribution.

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EX-99.1

Exhibit 99.1

NewsRelease

TC PipeLines, LP Increases 2017 Second Quarter Cash

Distribution by Six Percent

HOUSTON, TEXAS –(Marketwired- July 20, 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 second quarter 2017 cash distribution of $1.00 per common unit.  The distribution represents a 6 percent increase from the $0.94 per common unit paid in the first quarter of 2017.

This cash distribution is the 73^rd consecutive quarterly distribution paid by the Partnership and is payable on August 11, 2017 to unitholders of record at the close of business on August 1, 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 Inquiries:

Mark Cooper/James Millar

403.920.7859 or 800.608.7859

Unitholder and Analyst Inquiries:

Rhonda Amundson

877.290.2772

 investor_relations@tcpipelineslp.com