Section 3. When any feeding stuff 



Concerning Attachment is sold or offered, exposed or kept for 



of Label sale or distributed in packages, the 



tag or label shall be affixed in a con- 

 spicuous place on the outside thereof. When any feeding stuff 

 is offered, exposed or kept for sale in bulk, the tag or label shall 

 be affixed in a conspicuous place on the bin or other enclosure 

 in which the feeding stuff" is contained, but need not state the 

 number of pounds thereof. And when any feeding stuff is sold 

 or distributed in bulk the label shall be affixed in a conspicuous 

 place on the car or other vehicle in which the feeding stuff is 

 shipped or delivered or distributed and shall state the number of 

 pounds thereof. When any feeding stuff is sold in packages 

 furnished by the purchaser the seller shall furnish the tags or 

 labels therefor. The provisions of the printed tag or label required 

 by this act relating to the constituents contained in any commer- 

 cial feeding stiiff shall be known and recognized as the guaran- 

 teed analysis of such feeding stuff. 



Section 4. Before any maniifac- 



Registration turer, importer or other person shall 



of Guarantee sell, or offer, expose, or keep for sale, 



Required or distribute in this commonwealth 



any commercial feeding stuff, he shall 

 file with the director of the Massachusetts agricultural experiment 

 station, or his authorized deputy, for registration, a copy certified 

 by him to be a true copy of the tag or label required by this act, 

 excepting the item as to the number of pounds, for every brand 

 of feeding stuff to be sold or offered, exposed or kept for sale or 

 to be distributed in this commonwealth. But no agent or other 

 person shall be obliged to file a copy of the tag or label of any 

 brand of feeding stuff, a copy of which has been filed by the 

 maniifacturer or importer of such brand and for which a certifi- 

 cate of registration has been issued. No feeding stiiff or brand 

 of feeding stuff shall be sold or offered, exposed or kept for sale or 

 distributed in this commonwealth until the tag or label therefor 

 has been registered by the director of the Massachusetts agri- 

 cultural experiment station, or his authorized deputy, and a cer- 

 tificate of such registration has been issued by him. 



