Sec. 160.603.  NECESSARY PARTIES TO PROCEEDING.  The following individuals must be joined as parties in a proceeding to adjudicate parentage:
(1)  the mother of the child;  and
(2)  a man whose paternity of the child is to be adjudicated.
Added by Acts 2001, 77th Leg., ch. 821, Sec. 1.01, eff. June 14, 2001.