Section 580-701. Proceeding to determine parentage

(a) A tribunal of this
  state may serve as an initiating or responding tribunal in a  proceeding
  brought  under  this article or a law or procedure substantially similar
  to this article, the Uniform Reciprocal Enforcement of Support  Act,  or
  the  Revised  Uniform Reciprocal Enforcement of Support Act to determine
  that the petitioner is a parent of a particular child  or  to  determine
  that a respondent is a parent of that child.
    (b)  In  a proceeding to determine parentage, a responding tribunal of
  this state shall apply the procedural and substantive law of this state,
  and the rules of this state on choice of law.