...investigation instituted by the Secretary under the provisions of this Act referred to in subsection (a) of this section, on the ground that the testimony or...otherwise, required of him may tend to incriminate him or subject him to a penalty or forfeiture; but no person shall be prosecuted or subject to any...

...attending and testifying or from producing • * * records and documents before the Commission * * * on the ground that the testimony or evidence, documentary...penalty or forfeiture: but no individual shall be prosecuted or subjected to any penalty or forfeiture for or on »fount of any transaction, matter,...

...Secretary or any officer designated by him, or in any cause or proceeding instituted by the Secretary, on the ground that the testimony or evidence, documentary...penalty or forfeiture; but no individual shall be prosecuted or subject to any penalty or forfeiture for or on account of any transaction, matter, or...

...producing books, papers, and other records and documents before the Commission or the Conference on the ground that the testimony or evidence, documentary...penalty or forfeiture; but no individual shall be prosecuted or subject to any penalty or forfeiture for or on account of any transaction, matter, or...

...Secretary or any officer designated by him, or in nny cause or proceeding instituted by the Secretary, on the ground that the testimony or evidence, documentary...penalty or forfeiture; but no individual shall be prosecuted or subject to any penalty or forfeiture for or on account of any transaction, matter, or...

...any cause or proceeding instituted by the Secretary of Commerce or his designated representative, on the ground that the testimony or evidence, documentary...penalty or forfeiture ; but no individual shall be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter,...

...Secretary or any officer designated by him. or in my cause or proceeding instituted by the Secretary, on the ground that the testimony or evidence, documentary...penalty or forfeiture; but no individual shall be prosecuted or subject to any penalty or forfeiture for or on account of any transaction, matter, or...

...amendments thereto, on the ground or for the reason that the testimony or evidence, documentary or otherwise, required of him may tend to incriminate...penalty or forfeiture; but no individual shall be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter,...

...amendments thereto, on the ground or for the reason that the testimony or evidence, documentary or otherwise, required of him may tend to incriminate...penalty or forfeiture ; but no individual shall be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter,...

...regulation issued thereunder on the ground or for the reason that the testimony or evidence, documentary or otherwise, required of him may tend to incriminate...penalty or forfeiture ; but no individual shall be prosecuted or subjected to any penalty or forfeiture for or on the account of any transaction, matter,...