(a) Wherever, in connection with the taking of depositions, the filing of motions, or in any other matters either during the pendency of a suit or prior to a litigation, the law requires the service of notice by one (1) person upon another, except in the case of service of a summons, that notice may be served by registered or certified mail, addressed to the person to be served at his or her last known address, or to his or her attorney, if he or she has an attorney employed in connection with the matter in which the notice is to be served, with return receipt requested. The return receipt of the person or his or her attorney or the affidavit of the person making the service shall be evidence of service of the notice.
(b)
(1) This section shall be cumulative of present methods provided by law for service of notice.
(2) Service shall be sufficient by:
(A) The method provided for in this section;
(B) Any method authorized by law prior to June 13, 1957; or
(C) Waiver in writing of service.