Русско-англо-русский юридический словарь

The Secretary of State’s office will verify the notary public’s or other notarizing official’s signature by placing an apostille on the document. (website of U.S. Embassy in Russia)

The Secretary of State of Texas may issue an Apostille on documents issued by persons on file with this agency, including county clerks, notaries public, statewide officials. (Texas Secretary of State)