UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 13, 2015 11:00 A.M.

Form:	F-10
CIK: 0001619767 Company Name: TransCanada Trust File Number: 333-203859
CIK: 0000099070 Company Name: TRANSCANADA PIPELINES LTD File Number: 333-203859-01