Neb. Rev. Stat. § 57-231
Current with changes from the 2024 legislative session enacted on or before 4/18/2024
In any action filed within two years after October 23, 1967, the owner of a severed mineral interest may enter his appearance and assert his interest therein, and he shall be deemed thereby to have timely and publicly exercised his right of ownership.
Neb. Rev. Stat. § 57-231