It was just to say that the way the former finance committee worked was that parties would send their lists to the clerk in a prioritized order, and the clerk would do organized panels proportionately to the weight of the parties in the House. The clerk would submit that list to the chair for approval. Then every time someone declined or accepted, the clerk would go back to the staff of the party to see if he or she wanted us to pursue the list or if she or he wanted someone else.
Evidence of meeting #1 for Finance in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was witnesses.
A recording is available from Parliament.