| http://www.w3.org/ns/prov#value | - m producing records, correspondence, documents or other evidence in obedience to the subpoena of the Commission or of any individual Commissioner, on the ground that the testimony or evidence required of him may tend to incriminate him or subject him to a penalty or forfeiture, but no person shall be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter
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