(1) The determination of paternity under the provisions of KRS 406.021(1) shall be commenced within eighteen (18) years after the birth, miscarriage or stillbirth of a child. However, in such cases, liability for child support shall not predate the initiation of action taken to determine paternity as set forth in KRS 406.021 if the action is taken two (2) years or more from the date of birth.
(2) Any person for whom paternity has not yet been established and who had not reached eighteen (18) years of age as of August 16, 1984, including those persons for whom a paternity action was brought but dismissed because a statute of limitations of less than eighteen (18) years was then in effect, may bring an action to establish paternity.