The Hague Convention Abolishing the Requirement of Legalization for Foreign Public Documents of 5 October 1961, commonly known simply as the Apostille Convention is an international treaty drafted by the Hague Conference on Private International Law (HCCH). Apostille services in California can only be provided if you're a resident of California. If you need to legalize documents for international use a California Apostille is most likely required. Perhaps you are seeking apos