Need to use a California death certificate internationally? This guide explains when an apostille is required, how to obtain one, which certified death certificates qualify, and the difference between Hague apostilles and embassy legalization. Learn the steps for international probate, inheritance, dual citizenship, estate administration, and other overseas legal matters.

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