Application of law of this state

7-1018. Application of law of this state. Except as otherwise provided in this chapter, a responding tribunal of this state shall: (1) Apply the procedural and substantive law generally applicable to similar proceedings originating in this state and may exercise all powers and provide all remedies available in those proceedings; and (2) Determine the duty of support and the amount payable in accordance with the law and support guidelines of this state.