Mezcal Categories and Classifications

Mexico's official mezcal classification system divides production into three distinct tiers — Mezcal, Artesanal, and Ancestral — each defined by specific equipment requirements, not by taste, tradition, or the producer's self-description. The framework is administered by the Consejo Regulador del Mezcal (CRM), the regulatory body that oversees certification, labeling, and denomination of origin compliance. Getting these categories straight matters because the word on a bottle's label is a regulated claim, not a marketing choice — and the differences between tiers shape everything from how a spirit is made to what it can legally cost at import.

Definition and scope

The three-tier production classification entered the regulatory framework under NOM-070-SCFI-2016, the Mexican Official Standard that governs mezcal. Before that standard took effect, a single catch-all category covered production across wildly different methods — clay pot distillation alongside column stills, all under the same label. The 2016 revision drew hard lines.

At the broadest level, the word mezcal on a label without a modifier signals industrial production — the base category. Stainless steel or copper pot stills, mechanized tahona or shredder/roller mills, and no restrictions on heat sources are all permitted. This is the category where the largest volume producers operate, though volume alone does not disqualify a product from quality.

The middle tier, Mezcal Artesanal, prohibits column stills entirely and restricts milling to traditional methods: stone tahona wheel, wooden mallets (mazo), or a Chilean mill. Distillation must occur in copper pot stills, clay pots, or stainless steel pot stills. Wood-fired ovens or underground pit roasting are both permitted. This is the tier where most craft-export bottles sit, and where the artisanal vs. ancestral distinction becomes commercially meaningful.

Mezcal Ancestral is the most restrictive designation. Roasting must happen underground in earthen pits. Milling must use only stone or wood — no mechanical shredders. Fermentation must occur in natural vessels: animal hides, hollowed logs, stone basins, or clay pots. Distillation is restricted exclusively to clay pots with a bamboo or wood condensing tube, or clay-on-clay configurations. No copper, no stainless. The entire process reads like a preservation order for pre-industrial technique.

How it works

The classification system operates through equipment audits and batch certification rather than taste panels. A producer registers with the CRM, undergoes facility inspection, and receives a certification number — the número de certificado — that must appear on every bottle. That number links to a database record specifying which production category was certified for that batch.

The mezcal certification process also assigns an envasado (bottling) code indicating whether the spirit was bottled at origin or at a separate facility. For export to the United States, importers and customs brokers verify this number against CRM records; bottles without a valid certification number cannot legally be labeled as mezcal in Mexican export documentation.

One underappreciated element: the classification tracks the batch, not the brand. A single producer can hold certifications across multiple tiers simultaneously if their facility meets the requirements for each — a dual-registered palenque might bottle an Ancestral expression from clay pots and an Artesanal expression from copper stills in the same production season.

Common scenarios

The practical consequences of these distinctions appear most clearly in three situations:

  1. Label reading at retail: A bottle labeled simply "Mezcal" without "Artesanal" or "Ancestral" falls into the industrial tier by default under NOM-070. This is not automatically a negative mark — industrial-category mezcals can achieve genuine complexity — but the equipment constraints are looser.

  2. Pricing and allocation: Ancestral mezcals, produced in small batches with labor-intensive clay pot distillation, routinely retail above $80 USD for 750ml expressions. The mezcal price tiers correlate, imperfectly but persistently, with the production category.

  3. Wild agave sourcing: Ancestral and Artesanal producers are more likely to use wild-harvested agave species, but the classification system does not directly regulate agave sourcing. A producer can use fully cultivated espadin in an Ancestral process and still carry the Ancestral designation. The wild vs. cultivated agave distinction is a separate axis entirely.

Decision boundaries

Where the system creates friction is at the edges. Several production practices straddle the written rules in ways the CRM has had to adjudicate:

The understanding mezcal labels question is where most consumers encounter the system practically. A bottle from the Mezcal Authority home reference or any CRM-facing source should show the tipo (type) field alongside the certification number — that field is the legally operative classification.

The classification framework also intersects with geographic scope. Not every Mexican state falls within the mezcal denomination of origin; spirits made outside the nine recognized states cannot carry any of these three designations regardless of production method.

References

Read Next

The Consejo Regulador del Mezcal (CRM) Explained Every certified bottle on a US shelf passed through its approval process. Artisanal vs. Ancestral vs. Industrial Mezcal: Key Differences Industrial Mezcal: Key Differences The three official production categories for mezcal — ancestral, artisanal, and industrial... How Mezcal Gets Certified: The Certification Process That body is the Consejo Regulador del Mezcal , known universally as the CRM.