(2) For purposes of this section, a corporation incorporated under the laws of this state, a limited partnership or a foreign corporation authorized to do business in this state shall be deemed to be a resident of any county where the corporation or limited partnership conducts regular, sustained business activity or has an office for the transaction of business or where any agent authorized to receive process resides. A foreign corporation or foreign limited partnership not authorized to transact business in this state shall be deemed not to be a resident of any county in this state.
(3) For purposes of this section, a partnership or other unincorporated association subject to being sued in its own name shall be deemed a resident of any county where any person resides upon whom summons could be served for service upon the partnership or unincorporated association. [Amended by 1983 c.163 §1]