Sec. 1. If:
(1) a paternity affidavit is executed under IC 16-37-2-2.1; and
(2) the man who executed the paternity affidavit fails to set forth evidence at a child support hearing that rebuts the man's paternity;
an order establishing paternity and child support for the child named in the paternity affidavit may be obtained at a child support hearing without any further proceedings to establish the child's paternity.