House Budget Committee Chairman Cody Smith

House Budget Committee Chairman Cody Smith, left, shares a light moment with Senate Appropriations Committee Chairman Lincoln Hough during a May conference committee meeting.

Missouri Gov. Mike Parson’s budget vetoes weren’t necessary to protect state finances and could lead to overrides when lawmakers meet in September, Republican legislative budget leaders said Wednesday.

While overrides, both for budget items and other legislation, became common when Democratic Gov. Jay Nixon was in office, a governor has only been overridden twice in modern state history when the same party controls the legislative and executive branches.