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Virginia uses the Income Shares Model under Va. Code 20-108.2. SB 805 (July 2025) raised the income cap to $42,500/mo. Learn how to calculate, modify, and enforce support.
Texas uses a Percentage of Income model: 20% for 1 child up to 40% for 5+, applied to net resources capped at $11,700/month (eff. Sept 1, 2025).
Illinois uses the Income Shares Model under 750 ILCS 5/505. Learn how guidelines work, shared parenting adjustments, modification rules, and college expenses.
Idaho uses the Income Shares Model under IRFLP Rule 120. Learn how courts calculate support, shared custody adjustments, modification rules, and CSS enforcement tools.
South Dakota uses the Income Shares Model under SDCL 25-7-6.2. Learn how guidelines, the 2026 updated schedule, modifications, and enforcement work.
Rhode Island uses income shares to calculate child support. Learn how guidelines work, how to modify orders, and what enforcement actions apply under 2026 law.
South Carolina child support uses the Income Shares Model. 2024 guidelines raised amounts 25%, expanded income cap to $40k/mo. Learn calculation, modification, and enforcement rules.
Federal framework, three guideline models (Income Shares, Percentage of Income, Melson), enforcement tools, and links to all 50 state child support law guides.
Oklahoma uses the income shares model under 43 O.S. 118-119. Learn how support is calculated, when it ends, how to modify, and use the free calculator.
New Hampshire uses an income shares model under RSA 458-C. Learn guideline percentages, the 2025 shared parenting update (HB 1564), self-support reserve, and how to modify orders.
Hawaii uses the Melson Formula for child support. 2024 guidelines: $83 minimum, $1,731 self-support reserve. Learn how courts calculate, modify, and enforce orders.
Michigan uses the Income Shares Model to calculate child support. Learn how the 2025 MCSF formula works, modification rules, enforcement, and when support ends.