Signing Requirements
As per state statutes, advance directives must be signed by two adult witnesses.[1]
Revocation
An advance directive can be revoked by a principal of sound mind through a written or verbal revocation, or by destroying or ordering the destruction of the form in their presence. The attending physician must be notified of any revocation.[2]
Registering
Individuals may register an advance directive with the Advance Health Care Directives Registry for a fee. Filing is optional.[3]