This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. An Illinois notary public is authorized to perform notarial acts or "notarization" anywhere in the state.The following are basic rules for proper and safe notarization: 1) Keep your notary seal in a safe place; 2) Do not notarize a signature unless the signer. Mobile notary services throughout Illinois state. In the state of Illinois, a notary public cannot authenticate original documents or photocopies of them. An attorney must do this; it is called "Certification. Just click one of the links below to download or print our blank forms and legal documents. This online service allows you to either: (1) apply for a new Notary Public Commission; (2) renew a Notary Public Commission; (3) add Electronic Notary. Electronic notary public in the particular notarization. A property owner agrees to pay a commission to a real estate broker for a single showing that results in the sale of the property.