E Providing for custody of children by de facto custodians or interested third parties, defining de facto custodian and interested third party; providing for the application of certain other provisions to de facto and third party custodians, provisions not to affect preexisting duty to support or to prohibit the establishment of parentage; prescribing the procedure, providing for commencement of proceedings in courts with jurisdiction over child custody matters, specifying certain petition content and hearing notice requirements; providing for approval of orders without a hearing and for emergency or temporary relief under certain conditions; burden of proof to be on the de facto custodian or interested third party; requiring the court to dismiss the petition for custody under certain conditions; specifying certain factors to be considered by the court in determining the best interests of the child; providing for de facto and third party custody orders, prohibiting certain court preferences, specifying certain requirements for modification of the orders; modifying certain conditions for court placement of a child with a relative, specifying certain commissioner of human services information dissemination requirements relating to county social service agency petitions or motions proposing relative custody; providing for hearings on ex parte orders for protection under the domestic abuse act, providing for continuance under certain conditions, requiring notice to law enforcement agencies; repealing a certain provision providing for relative ex parte temporary custody orders; specifying certain renumbering and reference correction instructions to the revisor of statutes(ra, ja)