The session opened with a division on a motion to allow the Commons to sit in private, which is sometimes used as a procedural tactic to test the quoracy of the House, and was interrupted for a ministerial statement.

BBC: Antarctic Bill part one

We believe that the test vote in the Senate last night, the procedural vote, demonstrates the broad bipartisan support that the agreement enjoys not just in the Senate but with the American people and that we believe that what the Senate will pass, we hope today, will be the framework for what is taken up and agreed quickly by the House of Representatives.

WHITEHOUSE: Press Briefing