This Part applies to all powers of attorney except:
1. Coupled with an interest in the subject of the power. A power to the extent it is coupled with an interest in the subject of the power, including a power given to or for the benefit of a creditor in connection with a credit transaction;
2. Health care decisions. A power to make health care decisions;
3. Proxy or other delegation to exercise rights. A proxy or other delegation to exercise voting rights or management rights with respect to an entity; and
4. Governmental purpose. A power created on a form prescribed by a government or governmental subdivision, agency or instrumentality for a governmental purpose.