The Arizona Request For Apostle Or Certificate of Authentication is a process by which a document issued in the United States is authenticated for use in a foreign country. Apostles and Certificates of Authentication are documents issued by the Arizona Secretary of State, verifying the authenticity of the signature, seal, and the position of the person signing the document. Apostle: An Apostle is a certificate that verifies the authenticity of a document for use in a foreign country that is a member of the Apostle Convention. Certificate of Authentication: A Certificate of Authentication is a document issued by the Arizona Secretary of State, verifying the authenticity of the signature, seal, and the position of the person signing the document, for use in a foreign country that is not a member of the Apostle Convention. To obtain an Arizona Request For Apostle Or Certificate of Authentication, applicants must submit a notarized document, along with a completed Request for Apostle or Certificate of Authentication form, to the Arizona Secretary of State. The Secretary of State will then verify the authenticity of the document and issue either an Apostle or Certificate of Authentication.