<Li> Reported by the joint conference committee on June 23, 1906; agreed to by the House on June 23, 1906 (Did not agree) and by the Senate on June 23, 1906 (241 - 17) </Li> <Li> Signed into law by President Theodore Roosevelt on June 30, 1906 </Li> <Tr> <Th_colspan="2"> Major amendments </Th> </Tr> <Tr> <Td_colspan="2"> Food, Drug, and Cosmetic Act (1938) Food Quality Protection Act (1996) </Td> </Tr>

The hepburn act of 1906 brought significant changes in which of the following industries