Neb. Rev. Stat. § 44-602: Neb. Rev. Stat. § 44-602

It shall be unlawful for any party having an insurable interest in property located in this state to knowingly procure any fire insurance policy upon his interest in such property, for an amount in excess of the fair value of his interest in the property, or for an amount which, with any existing insurance thereon, exceeds the fair value of his interest in the property.