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*Your ability to download a file or table depends on your Synapse user type, local sharing settings, AND fulfilling the Conditions conditions for Useuse, if any, of the file or table.
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A letter from a signing official on letterhead attesting to your identity . Please note (template here). Note that you can not cannot serve as your own signing official. (template here) OR
A notarized letter attesting to your identity (template here) OR
A copy of your professional license (e.g., a photocopy of your medical license). Please note Note that a copy of a work or university identification badge is not an accepted form of identity attestation documentation.
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