Neb. Rev. Stat. § 25-330: Neb. Rev. Stat. § 25-330

The intervention shall be by complaint, which shall set forth the facts on which the intervention rests, and all the pleadings therein shall be governed by the same rules as other pleadings provided for in Chapter 25. If such complaint is filed during term, the court shall direct the time in which answers thereto shall be filed.