Surety with ameriprosuretybonds.com? Probate is defined as the process by which a will is proven. It is likely that if you are on this page, you may have recently learned that as a condition of being appointed an Representative or Trustee to an estate, a probate surety bond is required. While the probate process — and the related surety bond— typically refers to the estate of a decedent, in California, the following persons may also require a surety bond: Administrators; Guardians of minors; Guardian of someone incapacitated; Temporary guardian of minors; Veterans Affairs – Court appointed; Veterans Affairs – non-court …