A directive may not:

(1) Create an entitlement to behavioral health or medical treatment or supersede a determination of medical necessity;

(2) Obligate any health care provider, professional person, or health care facility to pay the costs associated with the treatment requested;

(3) Obligate any health care provider, professional person, or health care facility to be responsible for the nontreatment personal care of the principal or the principal's personal affairs outside the scope of services the facility normally provides;

(4) Replace or supersede the provisions of any will or testamentary document or supersede the provisions of intestate succession;

(5) Be revoked by an incapacitated principal unless that principal selected the option to permit revocation while incapacitated at the time his or her directive was executed; or

(6) Be used as the authority for inpatient admission for more than 14 days in any 21 day period.