← Glossary Regulation

Bottled-in-Bond (BiB)

A federally regulated standard requiring single-distiller, single-season whiskey aged at least 4 years in a bonded warehouse and bottled at exactly 100 proof.

Defined by the Bottled-in-Bond Act of 1897 to combat adulterated whiskey. It must be:

  • Produced in a single distillation season (January–June or July–December) by a single distiller at a single distillery
  • Aged in a federally bonded warehouse for at least 4 years
  • Bottled at exactly 100 proof (50% ABV)