(a) If the bureau determines that no credible information exists to establish finding of a substantial change in circumstances as required by section one hundred five, article eleven of this chapter or section one hundred six, article fourteen of this chapter, the Bureau for Child Support Enforcement shall notify the parties of that fact and notify the parties that the Bureau for Child Support Enforcement will not be preparing a petition of proposed order seeking modification of the parties' child support obligation. Under those circumstances, if the parties disagree with the Bureau for Child Support Enforcement's assessment and wish to independently file a petition for modification, the parties may still seek modification of child support by filing a petition for modification of an order for support with the family court under the provisions of section one hundred five or one hundred six, article eleven of this chapter or under the provisions of section one hundred six, article fourteen of this chapter.
(b) If the Bureau for Child Support Enforcement determines that there has been a substantial change of circumstances as required by section one hundred five, article eleven of this chapter or by section one hundred six, article fourteen of this chapter, then the Bureau for Child Support Enforcement shall prepare a petition and proposed order modifying the child support order to be filed with the clerk of the family court.
(c) Any such petition filed by the Bureau for Child Support Enforcement filed pursuant to this article shall include the following:
(1) A copy of the proposed order;