Bond. A bond is a formal guarantee for payment of monies due to TTB, including taxes imposed by 26 U.S.C. chapter 51, and any related fines, penalties or interest that the proprietor of a distilled spirits plant may incur, up to an amount specified by the bond (the bond penal sum).
27 CFR § 19.1
As used in this part, the following terms shall have the meanings indicated unless either the context in which they are used requires a different meaning, or a different definition is prescribed for a particular subpart, section, or portion of this part: