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A declarant is a person who makes a statement, called a declaration, which is usually in writing and signed, under "penalty of perjury" according to the laws of the state in which the statement is made. A declarant attests that the information on the declaration is true. A declaration is usually made by one person for the use of another. It is not required to be witnessed and notarized by a notary public in the same manner as an affidavit.