OK SB1580

Creates a rebuttable presumption that joint custody with equally shared parenting time is in the best interest of the child, which can be overcome by a preponderance of the evidence

Establishes a rebuttable presumption of sole custody to the non-offending parent when child abuse, domestic violence, stalking, harassment, or sex offender registration is determined by the court

Requires parents seeking joint custody to file parenting plans detailing physical living arrangements, child support, medical/dental care, school placement, and visitation rights

Removes existing statutory language that prohibited any legal presumption for or against joint or sole custody arrangements

Effective date of November 1, 2026