UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K/A

Amendment No. 1

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 22, 2019

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)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:	Trading Symbol(s)	Name of each exchange on which registered:

Common units representing limited partner interests	TCP	New York Stock Exchange

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.

Explanatory Note

The sole purpose of this amendment to Current Report on Form 8-K/A (this “Form 8-K/A”) is to add Inline eXtensible Business Reporting Language tagging to the cover page of the Current Report on Form 8-K filed by TC PipeLines, LP with the Securities and Exchange Commission on October 22, 2019. No other changes have been made to the original filing.

Item 8.01 Other Events.

On October 22, 2019, TC PipeLines, LP (the "Partnership") issued a news release (the "News Release") announcing a third quarter 2019 cash distribution of $0.65 per common unit payable on November 14, 2019 to common unitholders of record on November 1, 2019. A copy of the News Release is attached as Exhibit 99 to this report and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

Description

News Release of TC PipeLines, LP, dated October 22, 2019, reporting the Partnership's third quarter 2019 cash distribution.

104

The cover page of this Current Report on Form 8-K, formatted in Inline XBRL

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: February 5, 2020

EXHIBIT INDEX

Exhibit No.

Description

News Release of TC PipeLines, LP, dated October 22, 2019, reporting the Partnership's third quarter 2019 cash distribution.