According to Daniel's biographer, the origin of the "Old No. 7" brand name was the number assigned to Daniel's distillery for government registration. He was forced to change the registration number when the federal government redrew the district, and he became Number 16 in district 5 instead of No. 7 in district 4. However, he continued to use his original number as a brand name, since his brand reputation already had been established. An entirely different explanation is given in the 1967 book 'Jack Daniel's Legacy' which states that the name was chosen in 1887 after a visit to a merchant friend in Tullahoma, who had built a chain of seven stores.