SC S0901

Establishes a rebuttable presumption that joint custody with equal or approximately equal parenting time is in the child's best interest; courts must make written findings explaining any deviation from equal parenting time

Requires guardians ad litem to pass drug testing prior to initial appointment and annually thereafter, with positive results or refusal being grounds for disqualification

Allows parties to file motions disputing guardian ad litem appointments based on misconduct and requires guardians to establish positive relationships with both parents

Makes false or unfounded allegations of abuse against the other parent a material change of circumstances warranting custody modification, with potential court costs assessed against the offending parent

Adds expedited proceedings requirement for low-income parties (household income at 200% of federal poverty level) to control guardian ad litem costs