Questioning for the second round shall alternate between the government party and the opposition members in the following fashion: the government party, the official opposition, the government party, the official opposition, the government party, the official opposition, the government party--based on the principle that each committee member should have a full opportunity to question the witnesses. If time permits, further rounds shall repeat the pattern of the first two at the discretion of the chair.
On June 16th, 2011. See this statement in context.