A bourbon label is a short legal document with a lot of design on top. Some words on it are regulated and mean exactly one thing. Others are marketing and mean whatever the producer wants. Knowing which is which is the fastest way to buy well. Here is how to read one from top to bottom.
Class and type
The class statement is the most important line on the bottle, and usually the smallest. It tells you what the spirit legally is.
Bourbon whiskey means a mash of at least 51% corn, distilled to no more than 160 proof, aged in new charred oak, entered at no more than 125 proof, bottled at 80 proof or above, with nothing added but water. There is no minimum age. Bourbon can be made anywhere in the United States.
Straight bourbon adds a floor of two years in that oak. Under four years, it must carry an age statement.
Kentucky straight bourbon means it was distilled in Kentucky and, under state law, aged there at least one year. Most bourbon is made in Kentucky, but the word on the label is a claim of origin, not a grade.
Tennessee whiskey meets the bourbon standard, is made in Tennessee and, under a 2013 state law, is filtered through maple charcoal before barreling. Producers generally do not call it bourbon, though it qualifies.
Blended bourbon whiskey is a different animal. It must contain at least 51% straight bourbon, and the rest can include neutral spirits, coloring and flavoring. Blended whiskey without the word bourbon needs only 20% straight whiskey. Neither is what most people mean by bourbon.
A blend of straight bourbon whiskeys is straight bourbon from more than one state mixed together. All of it must be straight bourbon; no neutral spirit. It is a legitimate way to combine distilleries.
Whiskey specialty or distilled spirits specialty appears when a product does not fit any standard. Bourbon with added flavor, or bourbon blended with something outside the rules, ends up here. The word bourbon may still appear in the fanciful name, which is why the class line matters.
Bourbon finished in a port, sherry, rum or toasted oak cask is bourbon that spent extra time in a second barrel. The second cask is not new charred oak, so the label must say what happened. That is a disclosure, not a downgrade.
Age statements
An age statement is optional once a bourbon is four years old and required below that. When it appears, it is a hard number with one rule behind it: it reflects the youngest whiskey in the bottle. A "12 year" bourbon may contain older barrels. It cannot contain younger ones.
"Aged at least four years" is the same guarantee a bonded label makes. "Aged" with no number means nothing. Terms like "extra aged," "old," "very old" and "reserve" have no legal minimum.
Watch for age statements that have moved to the back label or shrunk. Producers drop or reduce age statements when older stock runs short.
Who made it
This is the line that separates a distillery from a brand. The federal rules require a name and address on the label, tied to a specific phrase.
Distilled by means the named company made the whiskey at the address given. If the label says distilled and bottled by the same company, at the same place, the brand runs its own still.
Bottled by alone means the named company put the whiskey in the bottle and does not claim to have made it. It is the most common wording on sourced whiskey.
Produced by or made by sit in between. They tend to signal that the named company did something, such as blending, proofing or finishing, but not distilling. Treat either as a sourced product unless a "distilled by" line says otherwise.
A related rule helps. If the whiskey was distilled in a state other than the one in the label address, the label must say which state. That is why the words distilled in Indiana show up on so many bottles bottled in Kentucky, Texas or New York. A large distillery in Lawrenceburg, Indiana, supplies bourbon and rye to many brands that do not distill their own. There is nothing wrong with the whiskey. The honest labels say so plainly. The evasive ones bury it in small type or lean on a founder story.
Sourcing is common and often good. The point is to know what you are paying for.
Proof and ABV
Proof in the United States is twice the alcohol by volume. 90 proof is 45% ABV. 100 proof is 50%. Bourbon must be bottled at 80 proof or above, and the number on the label is what is in the bottle.
Higher proof carries more flavor and more heat. It also means more whiskey per dollar, since less water was added at bottling. Between 100 and 110 proof is the range where many bourbons show best neat. Above that, a splash of water is a tool rather than a compromise.
Barrel proof and cask strength have no legal definition. TTB labeling guidance treats barrel proof as bottled within two proof points of the proof at dump, but that is guidance rather than law. A barrel-proof bourbon will usually land somewhere between 110 and 135, and the number changes from batch to batch. A fixed round number on a "barrel proof" bottle is worth a second look.
Words with no legal meaning
The following terms are not defined in the federal standards. They may be true and useful. They are not guaranteed.
Small batch. Means whatever the producer says it means.
Single barrel. Not defined in law, but it means what it says in practice: one barrel per bottling run. Expect barrel-to-barrel variation. That is the point.
Non-chill-filtered. Chill filtration cools the whiskey and removes the fatty compounds that can cloud it below room temperature. Skipping it keeps texture and some flavor. The claim has no legal definition, though there is little reason for a producer to lie about it.
Hand-crafted, artisan, premium, reserve, select. Decoration.
Wheated, high-rye, four-grain. Real descriptions of the mash bill, with no threshold behind them.
Batch and barrel numbers
A batch number or a barrel number lets you tell one release from the next. For single barrels, look for a barrel number, a warehouse and floor location, and sometimes a dump date. For batches, a number or a date. These matter because barrel-proof and single-barrel bourbons change from release to release, and a review you read may be of a different batch. When a store picks its own barrel, the label often names the store on a sticker or a neck tag.
Mash bill disclosure
Nothing requires a producer to list its grain percentages. Many do not. Some publish the recipe on the back label, and some on their site. When the mash bill is stated, use it. A bourbon at 75% corn with 21% rye will drink differently from one at 70% corn with 16% wheat. When it is not stated, assume a traditional recipe, mostly corn with some rye and a little malted barley, unless the label says wheated.
Where to start
Put the reading into practice. Compare a bottled-in-bond bourbon, where the label promises the most, with a single barrel whose barrel number you can track. Then pour a bottle from the Indiana collection and see how sourced whiskey reads once the label is honest.
You must be 21+ to purchase. Please drink responsibly.
