No person may be excused from attending and testifying or producing any books, papers, or other documents before any court upon any investigation, proceeding, or trial for a violation of any of the provisions of this chapter, upon the grounds that the testimony or evidence, documentary or otherwise, required of the person may tend to incriminate or degrade the person. No person may be prosecuted nor subjected to any penalty or forfeiture for or on account of any transaction, matter, or thing concerning which the person may testify or produce evidence, documentary or otherwise, and no testimony so given or produced may be used against the person in any criminal investigation or proceeding.