(2) Any person receiving a request under subsection (1) of this section shall return the verification within 120 days.
(3) Except as provided in subsection (4) of this section, the commission shall request verification from all persons shown in updated water right and permit records on or before July 1, 1992.
(4) If the commission considers verification unnecessary for any water right perfected, transferred or adjudicated after July 16, 1987, the commission need not request verification of that water right or permit. [1987 c.649 §2]