(b) No domestic or foreign limited partnership may be organized or authorized to do business in this state under this article unless in its certificate of limited partnership or application for authority it designates the secretary of state as such agent.
(c) Any designated post office address to which the secretary of state shall mail a copy of process served upon him as agent of a domestic limited partnership or foreign limited partnership shall continue until the filing of a certificate under this article directing the mailing to a different post office address.
(d) The change authorized by subdivision (c) of this section may be accomplished by filing a certificate pursuant to this chapter, which shall be executed by a general partner.