From an article a year ago right after this ridiculous travesty happened.
Not only was the Senate not in recess when these purported appointments were made, it constitutionally could not have been.
Article I, Section 5, of the Constitution states that neither house of Congress may adjourn for more than three days without the consent of the other house. The House of Representatives did not consent to a Senate recess of more than three days at the end of last year, and so the Senate, consistent with the requirements of the Constitution, must have some sort of session every few days.
The president and anyone else may object that the Senate is conducting “pro forma” sessions, but that does not render them constitutionally meaningless, as some have argued. In fact, the Senate did pass a bill during a supposedly “pro forma” session on Dec. 23, a matter the White House took notice of since the president signed the bill into law. The president cannot pick and choose when he deems a Senate session to be “real.”
It does not matter one whit that most members of Congress are out of town and allow business to be conducted by their agents under unanimous consent procedures, because ending a session of Congress requires the passage of a formal resolution, which never occurred and could not have occurred without the consent of the House.
BOOM. Going to be tough to get around this.
Oh and just a nice bonus... this also invalidates Cordray's appointment as the first head of the CFPB, which probably means that every action taken by them is now invalid.