Ind. Code § 27-6-6-4
(c) It shall be the duty of the subscribers' agent, upon service, to promptly send one (1) copy of such summons, by registered letter, to the attorney specified in subsection (a) and to file the other copy of summons in the office of the subscribers' agent.
Formerly: Acts 1919, c.102, s.4; Acts 1967, c.232, s.3. As amended by P.L.252-1985, SEC.218; P.L.130-1994, SEC.40; P.L.116-1994, SEC.52; P.L.268-1999, SEC.15.