About Letters of Guardianship
Official court document certifying the appointment and authority of a guardian over an individual.
When you'd use it: File after court appointment as guardian and acceptance of appointment to establish legal authority over the ward.
Where to get the official form
The official version of Letters of Guardianship is published as a PDF by the Michigan courts. We checked this link and it resolved to a form on an official court or government website — always download the current version directly from the source rather than a third-party copy:
Verified official PDF
Download Letters of Guardianship (PDF) →
Source: courts.michigan.gov
Link last checked: May 30, 2026
How to file Letters of Guardianship in Michigan
- Step 1 — Confirm you have the correct formUse Letters of Guardianship (PC 633) when file after court appointment as guardian and acceptance of appointment to establish legal authority over the ward. Double-check it's the right form for your situation — Michigan probate forms are revised periodically, so verify the name and number against your court's current form list before you start.
- Step 2 — Complete every required fieldFill out Letters of Guardianship carefully and review it for errors before filing. Probate cases can already take months — a small mistake on the form can set your timeline back further.
- Step 3 — Get it notarized or witnessed if requiredSome probate forms must be signed in front of a notary or witnesses. Check the instructions on the form itself, and arrange notarization before you file if it's required.
- Step 4 — File it with the correct courtSubmit Letters of Guardianship to the probate court or county clerk handling the estate — usually in the Michigan county where the deceased lived. Ask the clerk how they prefer to receive filings (in person, by mail, or e-filing).