Five Wishes meets legal requirements in these states (and the District of Columbia):

Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Iowa, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska,
New Jersey, New Mexico, New York, North Carolina, North Dakota, Oklahoma Pennsylvania,
Rhode Island, South Carolina, South Dakota, Tennessee, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

In a state not listed, Five Wishes can still be useful as an attachment to the state's required forms.  Many
residents in these states find that Five Wishes expresses
their preferences in detail
and provides a helpful guide
to families, caregivers
and doctors.