Cause of death information on death records over 50 years old is available to anyone completing an application and submitting the required fee. Administrative Leave. 01.Miami probate requires filing a Petition for Administration, death certificate, and original Will with the Circuit Court Probate Division. Once your loved one has passed, the custodian of the will must deposit the will with the Clerk of the Court in the county and state where the deceased lived. The deadline to file claims is only 30 days from the date the notice was served.