CALIFORNIA FAMILY LAW
...Child Support
......Visitation-Effect of
.........Amount of Child Support
2 Cards On This Topic:

Presumptive amount may be rebutted by showing that party is not contributing to child's needs at level commensurate with parent's custodial time.

H% set at zero in affidavit or default cases where custodial parent is higher earner, or 100% if custodial parent is higher earner, and no evidence of time noncustodial parent has C.