Signing Requirements
An advance directive is valid once signed by two witnesses over 18 or a notary.[1]
The following persons may not sign as a witness:
- A relative by blood, marriage, or adoption
- The attending physician
- The administrator of a nursing home
- The principal’s healthcare agent
Revocation
An advance directive is invalid upon the principal’s declaration of its revocation, which can be done in the manner of their choosing. If their physician knows of the advance directive’s existence, the revocation takes effect once they are informed.[2]