Ping Pong and Conference Committees: Resolving Legislative Differences in Congress

The House and Senate must approve an identical version of a measure before it may be presented for the President's approval or veto. If the House and Senate approve differing versions of a measure, the differences must first be resolved. One way to do this is through an exchange of amendments between the houses. When the House or Senate considers an amendment of the other chamber, it does not yet formally disagree to that amendment. At this stage, the House or Senate may concur in the amend...