Area I - Connecticut, Maine, Massachussets, New Hampshire, New York, Rhode Island and Vermont.

Area II - New Jersey, Eastern Pennsylvania, Maryland, Delaware, Virginia, and North Carolina.

Area III - Tennessee, South Carolina, Mississippi, Alabama, Georgia, Eastern Louisiana and Florida.

Area IV - Illinois, Iowa, Kansas, Missouri, Minnesota, Nebraska, North Dakota and Wisconsin.

Area V - Arkansas, Louisiana (Western Half), Oklahoma and Texas.

Area VI - California and Hawaii.

Area VII - Oregon, Washington, Idaho, Montana and Alaska.

Area VIII - Indiana, Kentucky, Michigan, Ohio, West Virginia and Western Pennsylvania.

Area IX - Mountain States Eventing Association: Colorado, Wyoming, Utah, Montana, South Dakota and Idaho.

Area X - Arizona, New Mexico and Nevada.