Learn how to apostille FBI background check records correctly, avoid common rejections, and choose the right process for urgent international use.

If you need to use a U.S. document in Spain, it must be authenticated with an apostille. Because both the United States and Spain are members of the Hague Apostille Convention, an apostille issued by the California Secretary of State verifies the authenticity of signatures and seals so your documents are legally accepted in Spain. Whether your documents are for Spanish citizenship, marriage, education, property matters, or business use, preparing them correctly is essential t