MO SB1507

Creates a rebuttable presumption that equal or approximately equal parenting time between both parents is in the best interests of the child, which can be rebutted by preponderance of evidence, parental agreement on custody, or a finding of domestic violence

Allows courts to award up to a 50% reduction in basic child support when parents have joint physical custody with equal or substantially equal time with the child

Requires courts to notify child's relatives and any persons the child has resided with in the past five years before awarding third-party custody, and grants intervention rights as a matter of right to any person seeking third-party custody

Prohibits courts from adopting local rules requiring standardized or default parenting plans, and prohibits interim orders addressing custody or parenting schedules without notice and a hearing unless parties agree

Makes unauthorized permanent transfer of child custody to a third party without court approval a class E felony, and requires 60-day advance notice to noncustodial parents before such transfers, with noncustodial parents having the right to intervene and seek custody