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Michigan Form FOC 87: Motion Regarding Support
What this form does, who files it, what it costs, and how to avoid the errors that get Michigan filings rejected.
Reviewed and updated by the Clear Path document team. Informational only — not legal advice.
Quick Answer
What is Michigan form FOC 87?
Form FOC 87 asks the court to raise, lower, or otherwise change a Michigan child support order. Courts generally modify support when income, parenting time overnights, or childcare and health costs have changed enough to shift the guideline amount.
Who files it
Either parent, or in some cases the Friend of the Court office.
Where it goes
The circuit court and case that entered the current support order.
Filing fee
$20 motion fee in most circuit courts, waivable with MC 20.
What you need before you start
- The current support order and the amount being paid
- Recent pay stubs, or proof of job loss or new employment
- Last year's tax return
- The current number of overnights each parent has
- Childcare costs and health insurance premiums attributable to the children
How to complete and file form FOC 87
- 1
Gather income documentation for both households where available.
- 2
Complete FOC 87 and state exactly what changed and when.
- 3
Attach supporting proof — pay stubs, layoff notice, or childcare invoices.
- 4
File with the clerk, pay the motion fee, and obtain a hearing date.
- 5
Serve the other parent and file proof of service before the hearing.
Mistakes that get FOC 87 rejected
- Assuming support stops automatically when a job is lost — it accrues until the court changes the order
- Filing without any income documentation attached
- Requesting a retroactive change; Michigan generally allows modification only back to the date the motion was served
- Confusing parenting time disputes with support disputes and filing the wrong form