Who fills out this form?

The form is for a party to fill out, as it is a 'Notice of Motion and Motion to Change.'

What must I include when I file this?

The form states that the filer should support their request with evidence, such as a Financial Disclosure Statement or Income and Expense Statement.

How do I serve this form on the other parent?

The form gives instructions for service, noting that service by mail needs to be done at least eight business days before the hearing, and personal service needs to be done at least five business days before the hearing.

FA-4170V

Notice of Motion and Motion to Change: Legal Custody, Physical Placement, Child Support, Maintenance or Arrears Payment

Wisconsin · Wisconsin Court System · Effective March 6, 2025

This form is used to tell the court that a person is asking to change existing court orders about things like who makes big decisions for the children (legal custody), where the children live (physical placement), or money payments (child support/maintenance). It asks the court to review the current orders and make changes.

The court describes it as: To give notice to another party that a request is being made and a hearing will be held to change a current order about legal custody, physical placement, child support, maintenance, or any other aspect of the current order. Voluntary form.

Open the official PDFfrom Wisconsin Court System

Where this fits in a case

Motions

Start a case
Respond
Motions
Discovery
Hearing
Judgment
After judgment
Appeal

Stage: Motions

This form is used when a party wants to ask the judge to change an existing court order regarding custody, living arrangements, or financial support payments. The filer must show the court why the changes are needed and that they are in the best interest of the children.

Either party may file.

Official instructions

How-to guides published by the court for this form.

Plain-language summary

Common questions

Who fills out this form?: The form is for a party to fill out, as it is a 'Notice of Motion and Motion to Change.'
What must I include when I file this?: The form states that the filer should support their request with evidence, such as a Financial Disclosure Statement or Income and Expense Statement.
How do I serve this form on the other parent?: The form gives instructions for service, noting that service by mail needs to be done at least eight business days before the hearing, and personal service needs to be done at least five business days before the hearing.

Revision history

No changes recorded since we started tracking this form on October 10, 2026. The current version took effect March 6, 2025.

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