(1) The secretary serves as an agent for an entity only after service has been attempted by:

(a) Serving the registered agent;

(b) If the registered agent cannot be served, service should be sent to the principal office address as shown in the entity's most recent annual report;

(c) If process cannot be served by (a) or (b) of this subsection, service may be made by handing a copy to an individual in charge of any regular place of business or activity of the entity, if the individual served is not a plaintiff.

(2) Service is effected on the earliest of:

(a) The date the entity receives the mail delivery by the commercial delivery service;

(b) The date shown on the return receipt, if executed by the entity; or

(c) Five days after its deposit with the United States Postal Service or commercial delivery service, if correctly addressed and with sufficient postage or payment.

(3) Service must be in a written record, but service may be made on a commercial registered agent in other forms and subject to such requirements as the agent has stated in its commercial-registered-agent-listing statement.

(4) Service of process, notice, or demand may be made by other means under law.