Ind. Code § 23-18-2-13
Note: This version of section effective until 1-1-2018. See also following repeal of this section, effective 1-1-2018.
(b) If a limited liability company does not have a registered agent or the agent cannot with reasonable diligence be served, the limited liability company may be served by registered or certified mail, return receipt requested, addressed to the limited liability company at the limited liability company's principal office. Service is perfected under this subsection at the earliest of the following:
Sec. 13. (a) A limited liability company's registered agent is the limited liability company's agent for service of process, notice, or demand required or permitted by law to be served on the limited liability company.
As added by P.L.8-1993, SEC.301.