On September 23, twenty-two states filed this amicus brief in the U.S. Supreme Court in the dispute over Missouri’s U.S. House districts. The brief supports the 2025 map. The states are: Alabama, Alaska, Arkansas, Florida, Georgia, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Montana, Nebraska, North Dakota, Ohio, South Carolina, South Dakota, Tennessee, Texas, Utah, and West Virginia. All of these states have Republican Attorneys General.

The only states that have Republican Attorneys General and which did not sign this brief (other than Missouri) are: New Hampshire, Oklahoma, Pennsylvania, Virginia, and Wyoming.