1. Any adult person may execute a power of attorney enabling the agent named in the power of attorney to make decisions concerning health care for the principal if that principal becomes incapable of giving informed consent concerning such decisions.
2. A power of attorney for health care must be signed by the principal. The principal’s signature on the power of attorney for health care must be:
(a) Acknowledged before a notary public; or
(b) Witnessed by two adult witnesses.
3. Neither of the witnesses to a principal’s signature may be the owner, operator or employee of a nursing home if the principal resides in the nursing home.
4. A power of attorney executed in a jurisdiction outside of this State is valid in this State if, when the power of attorney was executed, the execution complied with the laws of that jurisdiction or the requirements for a military power of attorney pursuant to 10 U.S.C. § 1044b.