NRS 449A.445: Revocation of declaration; entry of revocation in medical records of declarant.

1. A declarant may revoke a declaration at any time and in any manner, without regard to his or her mental or physical condition. A revocation is effective upon its communication to the attending physician or other provider of health care by the declarant or a witness to the revocation.

2. The attending physician or other provider of health care shall make the revocation a part of the declarant’s medical record.