Parenting plans also typically include the ground rules for calculating child support payments and what items are included in regular support payments and which are not. (thespruce.com)
More than 30 states use the income shares formula when calculating child support in a divorce that involves children. (info.legalzoom.com)
The primary consideration in calculating child support payments is the income of the paying parent at the time the support is calculated. (galbraithfamilylaw.com)