Why Inventory Costing Is the Center of Cannabis Tax Strategy
Because 280E blocks nearly every operating deduction, cost of goods sold — governed by IRC Section 471 and the uniform capitalization rules of Section 263A — becomes the primary mechanism through which a Colorado cannabis business reduces its federal taxable income. A rigorous inventory costing system captures every dollar of legitimately capitalizable cost; a sloppy one leaves real deductions on the table or, worse, overstates COGS in a way that will not survive an examination.
What Can Be Capitalized Into Inventory
Section 263A requires capitalizing both direct costs and an allocable share of indirect production costs into inventory for a producer, and Section 471 governs which costs a reseller can include.
- Direct materials: seeds, clones, growing media, nutrients, and packaging tied directly to product.
- Direct labor: wages for employees whose work directly produces or processes inventory.
- Indirect costs: an allocable share of utilities, rent, depreciation, and facility costs tied to production space, allocated on a documented, consistent basis.
- For resellers: invoice cost of purchased inventory plus certain acquisition and handling costs.
Choosing and Documenting a Costing Method
Colorado operators typically use either a standard absorption costing approach for producers or a straightforward invoice-cost method for pure resellers, but the method chosen needs to be documented in writing, applied consistently period over period, and supported by the underlying allocation study or time records — not recreated after the fact for the tax return.
Reconciling Inventory Costing to METRC and Physical Counts
A costing method is only as reliable as the inventory data behind it. Reconciling the general ledger's ending inventory to METRC's package and plant records, and periodically to physical counts, catches shrinkage and data errors that would otherwise silently distort the COGS figure — and, by extension, the entire 280E tax position.
