501A.404  Service on domestic cooperatives.
  1.  A domestic cooperative’s registered agent is the cooperative’s agent for service of process, notice, or demand required or permitted by law to be served on the cooperative.
  2.  If a cooperative has no registered agent, or the agent cannot with reasonable diligence be served, the cooperative may be served by registered mail or certified mail, return receipt requested, and addressed to the cooperative at its principal office. Service is perfected under this subsection at the earliest of any of the following:
  a.  The date the cooperative receives the mail.
  b.  The date shown on the return receipt for the registered mail or certified mail, return receipt requested, if signed on behalf of the cooperative.
  c.  Five days after its deposit in the United States mail, as evidenced by the postmark, if mailed postpaid and correctly addressed.
  3.  This section does not prescribe the only means, or necessarily the required means, of serving a domestic cooperative or foreign cooperative.
2005 Acts, ch 135, §23