Below are some of the requirements from Illinois Secretary of State to Apostille documents or provide a Certificate of Authentication:
Vital Records: Vital Records (Birth, Marriage, Divorce, Death, Verification of No Marriage Letter) Must bearing the signature of the county clerk, local registrar or Illinois State Registrar obtained from your local county clerk or Department of Public Health / Vital Records Division.
Court Documents: All court documents must be certified copies signed by a Circuit Clerk or Circuit Judge (i.e. Divorce decrees, legal name change) must include the official’s seal and signature, their printed name, and title.
Corporate Documents: apostille/authenticate can be obtained on Certified copies of business organization documents issued by the Illinois Secretary of State such as; (articles of incorporation or organization, certificates of limited partnership, certificates of merger, assumed name certificates, registration of trademarks, certificates of existence or fact issued by the Corporation Division)
Note: Bylaws and Meeting Minutes not file with the Corporation Division, must be notarized.
Educational documents: All school records, school transcripts, report cards or diplomas must be signed by a school official (normally the Registrar or Principal) and the official’s signature must be notarized.
Police Records: Such documents from the Illinois State Police, county sheriffs or local police departments must be signed by an official from that office and his or her signature must be notarized.
All other documents: Such as Adoption documents, Power of Attorneys, Deeds of Assignment, Distributorship Agreements, Assignments, References and Job Certifications. Must be notarized.
Foreign Language Documents: Documents in foreign language can be Apostilled as long as the Notarial wording is in English.