(a) The following may bring an action requesting a court to construe, or determine the validity or enforceability of, a durable power of attorney, or to review an agent's conduct under a durable power of attorney and grant appropriate relief:
(1) the principal or the agent;
(2) a guardian, conservator, or other fiduciary acting for the principal;
(3) a person named as a beneficiary to receive property, a benefit, or a contractual right on the principal's death;
(4) a governmental agency with authority to provide protective services to the principal; and
(5) a person who demonstrates to the court sufficient interest in the principal's welfare or estate.
(b) A person who is asked to accept a durable power of attorney may bring an action requesting a court to construe, or determine the validity or enforceability of, the power of attorney.
(c) On the principal's motion, the court shall dismiss an action under Subsection (a) unless the court finds that the principal lacks capacity to revoke the agent's authority or the durable power of attorney.
(d) In an action brought under this section, the court may award costs and reasonable and necessary attorney's fees in an amount the court considers equitable and just.