Section 21-116 - Service of process(RULLCA 116)
(a) An agent for service of process appointed by a limited liability company or foreign limited liability company is an agent of the company for service of any process, notice, or demand required or permitted by law to be served on the company.(b) If a limited liability company or foreign limited liability company does not appoint or maintain an agent for service of process in this state or the agent for service of process cannot with reasonable diligence be found at the agent's street address, service of any process, notice, or demand on the limited liability company or foreign limited liability company may be made by registered or certified mail, return receipt requested, to the company at its designated office.(c) Service is effected under subsection (b) of this section at the earliest of:(1) the date the limited liability company or foreign limited liability company receives the process, notice, or demand;(2) the date shown on the return receipt, if signed on behalf of the company; or(3) five days after the process, notice, or demand is deposited with the United States Postal Service, if correctly addressed and with sufficient postage.(d) This section does not affect the right to serve process, notice, or demand in any other manner provided by law.Neb. Rev. Stat. §§ 21-116