Whenever any change in type of appropriation is approved pursuant to this subsection and as long as that change remains in effect, the appropriation shall be subject to the statutes, rules, and regulations that apply to the type of appropriation to which the change has been made.
For any transfer or change approved pursuant to subdivision (a) of this subsection, the department shall be provided with a report at least every five years while such transfer or change is in effect. The purpose of such report shall be to indicate whether the beneficial instream use for which the flow is maintained or augmented continues to exist. If the report indicates that it does not or if no report is filed within sixty days after the department's notice to the appropriator that the deadline for filing the report has passed, the department may cancel its approval of the transfer or change and such appropriation shall revert to the same location of use, type of appropriation, and purpose of use as prior to such approval.
Neb. Rev. Stat. §§ 46-290