Meet the eligibility requirements. Obtain and complete an application from your County Clerk's office.Submit the completed application to your County Clerk with the application fee. Each Notary Public Application must include a legible photocopy of your driver's license or state ID card. Complete an application form from your county clerk's office. Be sure you meet Illinois requirements. To get a document notarized, you need to find a notary public. Starting August 1, 2024, Illinois residents applying to be Notary Public or Electronic Notary Public must use our online application. Illinois residents who want to become a notary public are now able to apply for their commission online. A notary may notarize the signature of his or her spouse, children and other relatives.