Legalizing a document in the US varies depending upon whether it is a federal, state, business, or educational document. Documents that are not in English must include an English translation.
Documents Issued by Federal Courts:
Documents issued under the seal of a federal court should be preliminary authentication by the Justice Management Division. After the seal of the Justice Management Division is on the document, it may be authenticated by the U.S. Department of State Authentications Office. The final step is to obtain the seal of the foreign embassy or consulate in the United States. Usually, foreign embassies or consulates in the U.S. can only authenticate the seal of the U.S. Department of State. Some foreign embassies and consulates maintain sample seals of state authorities.