(2) When any summons, pleading, writ or process is served on the executive director, service shall be by duplicate copies. One of the duplicates shall be filed in the office of the executive director and the other immediately forwarded by certified mail to the agent thereby affected or therein named, at the agent’s last-known post-office address. If service is of a summons, the plaintiff therein also shall cause the agent to be served therewith in a manner provided by ORCP 7. [Amended by 1961 c.268 §7; 1975 c.478 §7; 1979 c.284 §138; 1989 c.333 §6; 1995 c.343 §6; 2012 c.104 §26; 2015 c.27 §38]