DCF 150.035(1)(b)2.
2. Multiply each parent's monthly income available for child support by the designated percentage.
DCF 150.035 Note
Note: The 150% accounts for household maintenance expenditures duplicated by both parents, such as a bedroom, clothes, and personal items.
DCF 150.035(1)(b)4.
4. Multiply the amount determined for each parent under subd.
3. by the proportion of the time that the child spends with the other parent to determine each parent's child support obligation.
DCF 150.035(1)(b)5.
5. Offset resulting amounts under subd. 4. against each other. The parent with a greater child support obligation is the shared-placement payer. The shared-placement payer shall pay the lesser of the amount determined under this subdivision or the amount determined using the designated percentage. If the shared-placement payer is also a low-income or high-income payer, the court may combine the provisions of either s.
DCF 150.04 (4) or
(5) with the provisions of this section.
DCF 150.035(1)(b)6.
6. In addition to the child support obligation determined under subd.
5., the court shall assign responsibility for payment of the child's variable costs in proportion to each parent's share of physical placement, and based upon a detailed list of the variable costs provided by the parties. Due consideration shall be given to a disparity in the parents' income and the transportation costs associated with each parent's respective periods of physical placement. The court shall direct the manner of payment of a variable cost order to be either between the parents or from a parent to a third-party service provider. The court shall not direct payment of variable costs to be made to the department or the department's designee.
DCF 150.035(1)(b)7.
7. A change in the child's variable costs shall not in and of itself be considered a substantial change in circumstances sufficient to justify a revision of a judgment or order under s.
767.59, Stats.
DCF 150.035 Note
Note: The following example shows how to calculate the child support obligations of shared-placement parents.
DCF 150.035 Note
Number of children: Two
DCF 150.035 Note
Parent A: $2,000 monthly income available for child support
DCF 150.035 Note
Court-ordered placement of the child for 219 days a year or 60%.
DCF 150.035 Note
Parent B: $3,000 monthly income available for child support
DCF 150.035 Note
Court-ordered placement of the child for 146 days a year or 40%.
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See PDF for table 
DCF 150.035 Note
Example of equivalent care:
DCF 150.035 Note
Number of children: Two
DCF 150.035 Note
Parent A: $2,000 monthly income available for child support
DCF 150.035 Note
Parent A has court-ordered placement of the child 271 days a year or 74%.
DCF 150.035 Note
Parent B: $3,000 monthly income available for child support
DCF 150.035 Note
Parent B has court-ordered placement of the child 94 days a year or 26%.
DCF 150.035 Note
Parent B also provides day care 4 days a week from 3 pm – 9 pm and
DCF 150.035 Note
Provides dinner to the children 46 weeks per year.
DCF 150.035 Note
(4) 6 hour blocks per week = 2 overnights X 46 weeks= 92 overnights per year
DCF 150.035 Note
Total number of overnights = 457 (271 + 94 + 92)
DCF 150.035 Note
Parent A = 59%
DCF 150.035 Note
Parent B = 41%
DCF 150.035 Note
Time with Parent A = 59% (271/457 = .59)
DCF 150.035(2)
(2)
Determining the child support obligation of nonshared placement parents. If the conditions under sub.
(1) (a) are not met, the child support obligation is one of the following percentages of the parent's monthly income available for child support or adjusted monthly income available for child support, except as provided under s.
DCF 150.04 (4) or
(5):
DCF 150.035 Note
Note: See Appendix A which indicates the amount of child support at various levels of income using the percentage standard.
DCF 150.035(3)(a)
(a) Upon request by a party, the court may modify the amount of child support payments determined under sub.
(2) if, after considering the factors in s.
767.511 (1m), Stats., as applicable, the court finds by the greater weight of the credible evidence that use of the designated percentage is unfair to the child or to any of the parties.
DCF 150.035(3)(b)
(b)
If the court under par. (a) modifies the amount of child support payment determined under sub. (2), the court shall state in writing or on the record the amount of support that would be required by using the designated percentage, the amount by which the court's order deviates from that amount, its reasons for finding that use of the designated percentage is unfair to the child or the party, its reasons for the amount of the modification and the basis for the modification as provided under s.
767.511 (1n), Stats.
DCF 150.035 History
History: 2021 Wis. Act 35: (2) (a) to (e), (3) renum. from DCF 150.03 (1) (a) to (e), (11), cr. (title), (2), (1) renum. from DCF 150.04 (2) and am. (1) (b) 1., 2., 5.
Register June 2021 No. 786, eff. 12-1-21;
CR 23-011: r. and recr. (1) (a), cr. (1) (ag), (ar), (b) (title) Register December 2023 No. 816, eff. 1-1-24.
DCF 150.04
DCF 150.04 Determining the child support obligation in special circumstances. Child support may be determined under special circumstances as follows:
DCF 150.04(1)
(1)
Determining the child support obligation of a serial-family parent. DCF 150.04(1)(a)(a) Applicability. This subsection applies only if the support obligation being calculated is for children from a subsequent family or subsequent paternity judgment or acknowledgment. A parent may not use the provisions of this subsection as a basis for seeking modification of an existing order based on a subsequently incurred legal obligation for child support. A parent with a legal obligation to support a child in an intact family is a serial family payer for the purpose of calculating a support obligation for children from a subsequent family under the provisions of this subsection and s.
DCF 150.04 (6) (c).
DCF 150.04(1)(b)
(b) Determination. For a serial-family parent the child support obligation incurred for a marital or nonmarital child in a subsequent family as a result of a court order may be determined as follows:
DCF 150.04(1)(b)2.
2. Determine the order of the parent's legal obligations for child support by listing them according to the date each obligation is incurred. For a marital child, the legal obligation for child support is incurred on the child's date of birth. For a nonmarital child, the father's legal obligation for child support is incurred on the date that paternity is legally established. For a nonmarital child in an intact family, it is incurred on the date of adoption or the date that paternity is legally established. For a nonmarital maternal child in an intact family, it is incurred on the child's date of birth.
DCF 150.04(1)(b)3.a.
a. If the parent is subject to an existing support order for that legal obligation, except a shared-placement order under s.
DCF 150.035 (1), the support for that obligation is the higher of the monthly amount of the existing order or the monthly support amount that would currently be determined under this chapter.
DCF 150.04(1)(b)3.b.
b.
If the parent is in an intact family or is subject to a shared-placement order under s. DCF 150.035 (1), the support is determined by multiplying the designated percentage for that number of children by the parent's monthly income available for child support or, if applicable, determine support under sub.
(3),
(4), or
(5) or s.
DCF 150.035 (1).
DCF 150.04(1)(b)4.
4. Adjust the monthly income available for child support by subtracting the support for the first legal obligation under subd.
3. from the parent's monthly income available for child support under subd.
1. DCF 150.04(1)(b)5.a.
a. If the parent is subject to an existing support order for that legal obligation, except a shared-placement order under s.
DCF 150.035 (1), the support for that obligation is the monthly amount of that order.
DCF 150.04(1)(b)5.b.
b.
If the parent is in an intact family or is subject to a shared-placement order under s. DCF 150.035 (1), the support is determined by multiplying the designated percentage for that number of children by the parent's monthly income available for child support or, if applicable, determine support under sub.
(3),
(4), or
(5) or s.
DCF 150.035 (1).
DCF 150.04(1)(b)6.
6. Adjust the monthly income available for child support a second time by subtracting the support for the second legal obligation determined under subd.
5. from the first adjusted monthly income available for child support determined under subd.
4. DCF 150.04(1)(b)7.
7. Repeat the procedure under subds.
5. and
6. for each additional legal obligation for child support the serial-family parent has incurred.
DCF 150.04(1)(b)8.
8. Multiply the designated percentage for the number of children subject to the new order by the final adjusted monthly income available for child support determined in either subd.
6. or
7. to determine the new child support obligation or if applicable, determine the new child support obligation under sub.
(3),
(4), or
(5) or s.
DCF 150.035 (1). If multiple child support obligations reduce a serial-family parent's income to a level set forth in the schedule in ch.
DCF 150 Appendix C, the court may combine the provisions of this subsection with the provisions for determining the support obligation of a low-income payer under s.
DCF 150.04 (4).
DCF 150.04 Note
Note: The following example shows how the child support obligation is determined for a serial-family parent whose additional child support obligation has been incurred for a subsequent family.
DCF 150.04 Note
Assumptions:
DCF 150.04 Note
Parent A's current monthly income available for child support is $3000.
DCF 150.04 Note
Parent A and Parent B were married, had a child in 2000 and divorced in 2001. Parent A is subject to an existing support order of $450 per month.
DCF 150.04 Note
Parent A remarries and has two children, one born in 2006 and the other in 2007, and remains an intact family.
DCF 150.04 Note
Parent A was adjudicated the father in 2008 for a child born in 2005. Child support needs to be established for this child.
DCF 150.04 Note
Order of parent A's legal obligation for child support.
DCF 150.04 Note
First legal obligation: one child (2000) (divorce)
DCF 150.04 Note
Second legal obligation: 2 children (2006 and 2007) (intact family)
DCF 150.04 Note
Third legal obligation: one child (2008) (paternity)
DCF 150.04(3)
(3)
Determining the child support obligations of split-placement parents. For parents who have 2 or more children and each parent has placement of one or more but not all of the children, the child support obligations may be determined as follows:
DCF 150.04(3)(a)
(a) Determine each parent's monthly income available for child support under s.
DCF 150.03 (1). If a parent has one or more previous child support obligations, determine the parent's monthly income available for child support adjusted for the previous obligations as provided in sub.
(1).
DCF 150.04(3)(b)
(b) Multiply the amount determined in par.
(a) by the pro rata percentage standard for the number of children in split placement who are placed with the other parent. The pro rata percentage standard for the number of children in split placement who are placed with the other parent is calculated by determining the designated percentage for the total number of children, dividing by the total number of children, and adding together the percentages for the children in split-placement who are placed with the other parent.
DCF 150.04 Note
Note: The pro-rata percentage standards for the number of children for whom support is being established are as follows:
DCF 150.04 Note
2 children 12.5% for each child (25% ÷ 2)
DCF 150.04 Note
3 children 9.67% for each child (29% ÷ 3)
DCF 150.04 Note
4 children 7.75% for each child (31% ÷ 4)
DCF 150.04 Note
5 children 6.8% for each child (34% ÷ 5)
DCF 150.04(3)(c)
(c) Offset resulting amounts under par.
(b) against each other. The parent with a greater child support obligation is the split-placement payer.
DCF 150.04 Note
Note: The following example shows how to calculate the amount of child support for split-placement parents:
DCF 150.04 Note
Assumptions:
DCF 150.04 Note
Parent A and B have 3 children.
DCF 150.04 Note
Parent A has placement of 2 children and Parent B has placement of one child.
DCF 150.04 Note
Parent A's monthly income available for child support is $2,000.
DCF 150.04 Note
Parent B's monthly income available for child support is $3,000.
DCF 150.04 Note
Calculation:
DCF 150.04 Note
Applicable percentage: 29%. Pro rata percentage is 9.67% per child.
DCF 150.04 Note
Parent A: 2,000 X 9.67% (income x applicable pro rata % for one child placed with Parent B) = 193.40
DCF 150.04 Note
Parent B: 3,000 X 19.34% (income x sum of pro rata % for 2 children placed with Parent A) = 580.20
DCF 150.04 Note
Parent B is the payer. Obligation following offset = 386.80
DCF 150.04(4)
(4)
Determining the child support obligation of a low-income payer. DCF 150.04(4)(a)
(a) The court may use the monthly support amount provided in the schedule in Appendix C as the support amount for a payer with a monthly income available for child support at a level set forth in the schedule if the payer's total economic circumstances limit the payer's ability to pay support at the level determined under s.
DCF 150.035. If a payer's monthly income available for child support is below the lowest income level in Appendix C, the court may set an order at an amount appropriate for the payer's total economic circumstances. This amount may be lower than the lowest support amount in Appendix C.
DCF 150.04(4)(b)
(b) The department shall revise the schedule in Appendix C every year based on changes in the federal poverty guidelines since the schedule was last revised. The department shall publish revisions to the schedule in the Wisconsin Administrative Register.
DCF 150.04 Note
Note: The schedule in Appendix C provides reduced percentage rates that may be used to determine the child support obligation for payers with an income below 150% of the federal poverty guidelines. If a payer's monthly income available for child support is below 75% of the federal poverty guidelines, the court may order an amount appropriate for the payer's total economic circumstances. For monthly income amount for child support between 75% and 150% of the federal poverty guidelines, the percentage rates in the schedule gradually increase as income increases. The percentage rates used in s.
DCF 150.03 (1) apply to payers with income greater than or equal to 150% of the federal poverty guidelines.
