Thus Jack is bourbon....they just choose to call it TN Whiskey instead.For a spirit to be considered Bourbon it must adhere to six standard rules:
- It must be made in the U.S.
- It must be aged in new, charred white oak barrels.
- It must be at least 51 percent corn.
- It must be distilled at less than 160 proof (80 percent alcohol by volume).
- It must enter into a barrel at below 125 proof.
- There can be no artificial coloring or flavor.