<SEC-DOCUMENT>0001075607-15-000006-index.html : 20150401
<SEC-HEADER>0001075607-15-000006.hdr.sgml : 20150401
<ACCEPTANCE-DATETIME>20150401164220
ACCESSION NUMBER:		0001075607-15-000006
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20150401
ITEM INFORMATION:		Unregistered Sales of Equity Securities
ITEM INFORMATION:		Material Modifications to Rights of Security Holders
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20150401
DATE AS OF CHANGE:		20150401

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35358
		FILM NUMBER:		15743841

	BUSINESS ADDRESS:	
		STREET 1:		700 LOUISIANA STREET, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002-2700
		BUSINESS PHONE:		(877) 290-2772

	MAIL ADDRESS:	
		STREET 1:		700 LOUISIANA STREET, SUITE 700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002-2700
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8k04012015.htm
<DESCRIPTION>FORM 8-K DATED APRIL 1, 2015
<TEXT>
Document 1 - file: form8k04012015.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>exhibit31lp.htm
<DESCRIPTION>THIRD AMENDED AND RESTATED LP AGREEMENT DATED APRIL 1, 2015
<TEXT>
Document 2 - file: exhibit31lp.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>exhibit99104012015.htm
<DESCRIPTION>PRESS RELEASE DATED APRIL 1, 2015
<TEXT>
Document 3 - file: exhibit99104012015.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>lplogo.jpg
<TEXT>
Document 4 - file: lplogo.jpg

</DOCUMENT>
</SEC-DOCUMENT>