1. A principal may appoint more than one attorney in fact in one or more powers of attorney and may provide that the authority conferred on two or more attorneys in fact shall or may be exercised either jointly or severally or in a manner, with such priority and with respect to such subjects as is provided in the power of attorney.
2. Any person, other than a person who is disqualified from being appointed a guardian or conservator of the principal under subsection 2 of section 475.055, shall be qualified to be designated an attorney in fact under a durable power of attorney.
3. The designation of a person not qualified to act as an attorney in fact for a principal under a durable power of attorney subjects the person to removal as attorney in fact but does not affect the immunities of third persons nor relieve the unqualified person of any duties or responsibilities to the principal or the principal's successors.