GF‑40 Petition to Modify Custody/Visitation (New York)
Use GF‑40 to request a modification of a New York custody/visitation order. This page helps you prepare a clear, evidence‑first request and verify county rules. Educational only - not legal advice.
What to prepare
- Short description of the change you want
- Dated timeline of key events
- Neutral proof tied to child outcomes
- Proposed schedule or terms (specific)
Common mistakes
- Long narrative with no dates or sources
- Vague requests like “more time”
- Emotional language or accusations
- Skipping local court verification
Accuracy & sources
Last reviewed: 2026-03-02. This page is educational only - not legal advice.
Official sources
- NY Courts - Custody & Visitation Forms (GF‑40):
https://ww2.nycourts.gov/forms/familycourt/custodyvisitation.shtml - NY CourtHelp - Custody & Visitation:
https://nycourts.gov/courthelp/Family/custodyVisitation.shtml
MyCustodyCoach is not a law firm and does not provide legal advice. Always verify current requirements (forms, fees, deadlines, service rules) with your local court or an attorney.