Form PC 558 at a glance
What it is: Form PC 558 is the Application for Informal Probate and/or Appointment of Personal Representative (TESTATE/INTESTATE) of the Michigan Probate Court.
Who signs: Sign on the Applicant signature line and enter the Date; the Attorney signature line has its own Date.
A filled-in Form PC 558 example: a daughter lists two heirs

How to fill out Form PC 558, box by box
In the matter of and the Applicant's name, address and telephone no.
1. I, Name of applicant, am interested
2. Decedent information
3. A death certificate
4.a. Spouse, children, devisees, and heirs of the decedent

List the names and addresses of the spouse, children, devisees, and heirs of the decedent, and other interested persons, the relationship to the decedent, and the ages of any who are minors, as far as you know or could ascertain with reasonable diligence. (Required testimony forms are attached.)
For each row, fill in NAME, ADDRESS (Street address, City State Zip), RELATIONSHIP* and AGE (if minor)**.
Under NAME ADDRESS RELATIONSHIP*, specify spouse, child, devisee, or heir. Under AGE (if minor)**, if person is a minor, provide the date of birth on form MC 97a and put the Ref. No. from that form in the AGE (if minor)** box with the age.
4.b. Legal disability
5. Venue
6. and 7. Testamentary instrument and the will

6. a. The decedent died intestate and after exercising reasonable diligence, I am unaware of any unrevoked testamentary instrument relating to property located in this state as defined under MCL 700.1301.
6. b. I am aware of an unrevoked testamentary instrument relating to property located in this state as defined under MCL700.1301, but the instrument is not being probated because (if this statement is true, the probate register must deny this application according to MCL 700.3311): The instrument is attached to this application. is already in the court's possession.
6. c. The decedent's will, dated , with codicil(s) dated , is/are offered for probate and is/are attached to this application. is/are already in the court's possession.
6. d. An authenticated copy of the will and codicil(s), if any, probated in County, State is/are offered for probate, and documents establishing its probate are attached to this application.
7. To the best of my knowledge, I believe that the instrument(s) subject to this application, if any, was/were validly executed and is the decedent's last will. After exercising reasonable diligence, I am unaware of an instrument revoking the will or codicil(s).
8. A personal representative has been previously appointed
9. I nominate
10. Other persons
11. The will expressly requests bond
I REQUEST
Sources
[1] Form PC 558 (Rev. 12/22), Application for Informal Probate and/or Appointment of Personal Representative (Testate/Intestate), Michigan SCAO (the Official source link on this page).













