Illinois Corporate Documents Apostille Guide

✅ Simplest Process for SOS-Issued Docs

Documents issued by Illinois SOS (Articles of Incorporation, Good Standing Certificates) can go directly to apostille—no County Clerk step needed!

SOS-Issued Documents (Easy Path)

Articles of Incorporation
Certificate of Good Standing
Certificate of Existence

Process: Request document from SOS → Submit directly for apostille with Form I-213 and $2.

Corporate Bylaws or Resolutions (Complex Path)

If bylaws or resolutions are notarized, they require:

Notarization
County Clerk authentication
State apostille

Expert verified by Amelia Rivera • Last updated: December 1, 2025