Neb. Rev. Stat. § 32-237: Neb. Rev. Stat. § 32-237

If any judge or clerk of election or inspector fails to appear at the appropriate hour, the inspector or remaining judges and clerks shall notify the county clerk, select a registered voter to serve in place of the absent person, and proceed to conduct the election. The registered voter shall be affiliated with the same political party as the absent person if possible.