Note: The following is provided for general informational purposes only and does not constitute legal or tax advice. Consult a qualified professional or the TTB directly for guidance specific to your distillery.
Understanding the Basics
Having TTB excise tax and CBMA reduced rates explained for distillers is a fundamental part of running a profitable spirits business. For many craft and mid-size operators, keeping up with production, managing rickhouse inventory, and handling sales is a full-time job. Adding complex federal tax calculations on top of that can feel overwhelming. However, mastering the rules around excise taxes is non-negotiable for a healthy bottom line.
When you are moving bourbon from a tank to a barrel, aging it in a rickhouse, and finally bottling it, the federal government is tracking your proof gallons. The Craft Beverage Modernization and Tax Reform Act (CBMA) changed the landscape of excise taxes, offering significant relief to producers. However, navigating the tiers, tracking your proof gallons accurately, and ensuring compliance requires strict operational control.
What is the CBMA and How Does It Affect Excise Tax?
Historically, distilled spirits were taxed at a flat rate per proof gallon. A proof gallon is one liquid gallon of spirits that is 50 percent alcohol at 60 degrees Fahrenheit. If you have a higher proof, the tax increases proportionally. The CBMA introduced tiered, reduced tax rates based on the volume of spirits a distillery produces, processes, or imports and removes from bond for domestic consumption.
For small to mid-size distilleries, these reduced rates represent a massive reduction in tax liability. The standard rate is $13.50 per proof gallon. Under the CBMA, the first 100,000 proof gallons removed from bond during a calendar year are taxed at a much lower rate of $2.70 per proof gallon. Volumes between 100,000 and 22.13 million proof gallons fall into a middle tier taxed at $13.34 per proof gallon. Anything above that returns to the standard $13.50 rate.
Calculating and Tracking Proof Gallons
You only pay excise tax when spirits are removed from bond for consumption or sale. While your bourbon is aging in the rickhouse, it is in bond and untaxed. The exact amount of tax you owe depends on an accurate calculation of proof gallons at the time of removal.
This means your gauging records must be impeccable. When you dump a barrel to prepare for a bottling run, you must take an accurate gauge of the volume and proof using standardized instruments and tables provided by the TTB. Evaporation, often called the angels share, happens naturally while the whiskey ages. You are not taxed on the whiskey that evaporates, provided the losses fall within acceptable TTB limits and are properly documented. If you spill a barrel or have an unexplained shortage, you might end up paying taxes on spirits you cannot even sell.
The Single Taxpayer Rule and Controlled Groups
One of the most complex parts of the CBMA is the single taxpayer rule. The TTB requires affiliated distilleries to share the 100,000 proof gallon allotment for the lowest tax tier. If you own multiple distilleries, or if you share common ownership with another beverage alcohol producer, you are likely considered a controlled group.
You cannot simply open three different distilleries to get three separate 100,000 proof gallon allotments. The group must combine its production and removals to determine when the threshold is crossed. This also extends to contract distilling arrangements. If you are having another distillery produce and store whiskey for you, the rules about who claims the CBMA reduced rate upon removal depend on who holds title and who actually removes the product from bond. Managing this requires clear communication and consolidated reporting if your operations span multiple bonded premises.
Costing and Financial Planning
Excise tax is a major component of your Cost of Goods Sold (COGS). Because the CBMA rates are tiered, your tax burden per bottle changes depending on how many proof gallons you have already removed that year.
To price your whiskey correctly, your finance staff needs to forecast when you will hit the tier limits. If you price your products assuming the $2.70 tax rate year-round, your margins will shrink dramatically once you enter the $13.34 tier. Accurate costing requires blending the projected tax rates over the entire year to create a standard cost, or dynamically adjusting your COGS as you move through the tiers to maintain accurate profit and loss statements.
Common Compliance Pitfalls
Distillers often run into trouble when they fail to align their physical inventory with their TTB reports. Here are a few common issues to avoid:
- Poor record keeping on barrel dumps. If you estimate proof gallons rather than taking an accurate gauge, you will either overpay taxes or face penalties during an audit.
- Mishandling transfers in bond. Transferring spirits between bonded facilities does not trigger excise tax, but the paperwork must be precise. If the receiving distillery does not accurately log the receipt, the shipping distillery could be held liable for the tax.
- Neglecting to update your operational records daily. Waiting until the end of the month to reconcile your removals often leads to reporting errors and makes it difficult to track your progress against the CBMA tiers.
How Spirit Sight Helps
Tracking proof gallons, managing barrel inventories, and calculating tax liability across CBMA tiers takes time. Spirit Sight is designed specifically for bourbon and whiskey distilleries to streamline this exact process. Our ERP links your daily production and rickhouse movements directly to your TTB reporting and financial ledgers, ensuring your proof gallon gauges are accurate and your COGS automatically reflect the correct excise tax rates.