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Michigan Form FOC 50: 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 50?
Form FOC 50 asks the circuit court to start, change, or end a Michigan child support or spousal support order — usually after a change in income, parenting time, or a child's circumstances.
Who files it
Either parent or party in a domestic relations case.
Where it goes
The circuit court where the case is pending; the Friend of the Court gets a copy.
Filing fee
A motion fee of about $20 applies in most circuit courts.
What you need before you start
- The current support order and its date
- Proof of current income for both parties if you have it
- The specific change you are asking for and why
- Overnight parenting-time counts, which affect the support formula
How to complete and file form FOC 50
- 1
State the current order and the change in circumstances clearly.
- 2
File the motion with the clerk and pay the motion fee.
- 3
Serve the other party and the Friend of the Court, then file proof of service.
- 4
Attend the referee hearing or motion hearing that gets scheduled.
Mistakes that get FOC 50 rejected
- Asking for a change retroactive to before the motion was filed — Michigan generally does not allow it
- Leaving out income documentation, which stalls the recalculation
- Skipping service on the Friend of the Court