Art. 2 General Pkovisions 7 c 



chemists, agents and counsel employed by him, shall have full 



access to all places of 'business, factories, farms, 

 Full access buildings, carriages, cars and vessels used in 

 for inspection, the manufacture, sale or transportation within 

 the state of any dairy products or any imita- 

 tion thereof, or of any article or product with respect to which 

 any authority is conferred by this chapter on such commissioner. 

 They may examine and open any package, can or vessel contain- 

 ing or believed to contain any article or product, which may be 

 manufactured, sold or exposed for sale in violation of the pro- 

 visions of this chapter, and may inspect the contents therein, and 



take therefrom samples for analysis. The corn- 

 Powers of. missioner of agriculture shall have the power 

 subpoena. by subpoena or subpoena duces tecum, issued 



and attested by him in his official capacity to re- 

 quire the attendance and testimony before him, or any of his assist- 

 ant commissioners, of any person whom he may have reason to be- 

 lieve has knowledge of any alleged violation of this chapter, 

 and the production, before him or any of his assistant commis- 

 sioners of agriculture of any records, books, papers and docu- 

 ments for the purpose of investigating any alleged violation of 

 this chapter. Such subpoenas or subpoena duces tecum, may be 

 served by any person over the age of twenty-one years. ISTo per- 

 son shall be excused from attending and testifying or producing 

 any records, books, papers or other documents before said commis- 

 sioner of agriculture or any of his assistant commissioners of agri- 

 culture upon such investigation upon the ground or for the reason 

 that the testimony or evidence, documentary or otherwise, re- 

 quired of him may tend to convict him of a crime or subject him 

 to a penalty or forfeiture, but no person shall be prosecuted or 



subjected to any penalty or forfeiture for or 

 Evidence on account of any transaction, matter or thing 



not to be used ' concerning which he may so testify or produce 

 against party evidence, documentary or otherwise, and no 

 giving it. testimony so given or produced shall .be re- 



ceived against him upon any criminal action, 

 investigation or proceeding. Any person who shall omit, neglect 

 or refuse to attend and testify or to produce any records, books, 

 papers or documents, if in his power so to do, in obedience, to such 



