CMS guidelines indicate that Kansas, Mississippi, Montana, South Carolina, and Washington have chosen to mandate a statewide external vendor for EVV, but the states have not publicly confirmed this.

CMS indicated the Maryland has chosen to mandate a statewide in-house vendor, but the state has not publicly confirmed this.

CMS indicated that Massachusetts has chosen to mandate a statewide in-house model or an open vendor model, but the state has not publicly confirmed either of these.

CMS indicated that New Jersey has chosen to use an MCP choice or open vendor model, but the state has not publicly confirmed either of these.

CMS indicated that New Mexico has chosen to use an MCP choice model, but the state has not publicly confirmed this.

CMS indicated that Alaska, New York, and Utah have chosen to use a provider choice model, but the states have not publicly confirmed this.