Union officials urged a House committee March 26 to press for enforceable labor laws in the proposed replacement for the North American Free Trade Agreement.

“The enforcement piece is not there and we have to go back to the table to get an enforceable measure in place,” said Shane Larson, the director of legislation, politics and international affairs for the Communications Workers of America.

Larson joined a chorus of union and worker advocates who pleaded for members of the House Ways and Means Committee to press the Trump administration to get more labor provisions into the U.S.-Mexico-Canada Agreement or NAFTA...