How Does FSMA 204 Affect Food Processors?

Andrew DyarIoT platform architect, food safety technology specialist
Published March 15, 2026

How Does FSMA 204 Affect Food Processors?

Food processors bear the most complex compliance burden under FSMA 204 due to the Transformation CTE. When FTL food is manufactured, processed, or commingled, processors must link every input Traceability Lot Code to every output TLC — creating the traceability chain that enables FDA to trace contaminated food back to its source. The compliance deadline is July 20, 2028.

What is the Transformation CTE?

Transformation means manufacturing, processing, or changing a food by commingling, repacking, or relabeling — when the output is a food on the Food Traceability List (Source: 21 CFR 1.1350).

This is the most data-intensive CTE because it requires tracking:

  • All FTL food inputs (with their upstream TLCs)
  • The transformation process itself
  • All FTL food outputs (with newly assigned TLCs)

When does the Transformation CTE apply?

| Activity | Transformation CTE? | |----------|---------------------| | Washing and bagging loose spinach into retail bags | Yes — commingling + repacking | | Cutting whole melons into fresh-cut fruit | Yes — processing | | Smoking fresh salmon into smoked salmon | Yes — processing | | Combining multiple lots of romaine into a spring mix | Yes — commingling | | Relabeling cases of produce with a store brand | Yes — relabeling | | Simply storing and reshipping produce | No — receiving/shipping CTEs only | | Cooking produce into a frozen meal | Depends — if the output is not FTL (frozen), then no |

The key question is whether the output remains on the Food Traceability List. If a process removes food from its FTL form, downstream traceability requirements end.

What are the Transformation CTE input KDEs?

For each FTL food used as an input (Source: 21 CFR 1.1350):

| # | Key Data Element | Example | |---|-----------------|---------| | 1 | Input TLC | "LOT-A-001" | | 2 | Input product description | "Romaine hearts, 3-pack" | | 3 | Quantity from input lot used | "4 cases" |

What are the Transformation CTE output KDEs?

For each transformed food produced:

| # | Key Data Element | Example | |---|-----------------|---------| | 4 | New TLC assigned | "MIX-B-002" | | 5 | Transformation location (= TLC source) | Processing facility name and address | | 6 | Date transformation completed | "2028-03-16" | | 7 | Product description of output | "Spring mix salad, 5oz bag" | | 8 | Output quantity and unit of measure | "200 bags" | | 9 | Reference document type and number | "Production record #PR-123" |

How does input-to-output TLC linking work?

The critical function of transformation records is linking inputs to outputs. If FDA needs to trace contaminated spring mix back to the farm, they follow:

  1. Output TLC "MIX-B-002" leads to the transformation record
  2. Input TLC "LOT-A-001" leads to shipping/receiving records, then the initial packing record
  3. The packing record leads to the harvest record, then the specific farm and field

Without this chain, an outbreak investigation stalls at the processor. With it, FDA can reach the source farm within hours.

How do processors handle multiple input lots?

Complex transformations may involve dozens of input lots:

  • A salad processor combining 15 lots of romaine from 8 farms
  • A seafood processor mixing shrimp from 5 fishing vessels
  • A cheese maker using milk from multiple dairies

Each input lot's TLC must be recorded individually with its quantity used. This is the primary reason transformation is the most data-intensive CTE — the number of input-output combinations can be very large.

What are kill step considerations?

If a processor applies a kill step (lethality processing) that removes the food from its FTL form:

  • The processor still maintains transformation records for the kill step event
  • Downstream handlers of the post-kill-step food are exempt from further traceability
  • Example: Canning fresh tomatoes results in a canned product that is no longer "fresh tomatoes" on the FTL

This creates a natural traceability endpoint — the kill step processor is the last entity that must maintain FSMA 204 records for that product.

What other CTEs do processors perform?

In addition to transformation, processors typically also perform:

  • Receiving CTE — for FTL foods received from suppliers
  • Shipping CTE — for FTL foods shipped to distributors, retailers, or restaurants
  • Initial Packing CTE — if they are the first to pack a raw agricultural commodity
  • Cooling CTE — if they cool RACs before packing

A single processor may need to document 4 or more CTEs for a single product run.

How does FSMA 204 affect restaurant commissaries?

This is a critical escalation for multi-unit restaurant operators. Restaurant commissaries and central kitchens that transform and ship food to satellite locations are treated as food processors under FSMA 204 (Source: 21 CFR 1.1350).

A commissary must:

  1. Maintain Receiving KDEs for FTL foods received from suppliers
  2. Track full Transformation KDEs — link input TLCs to output TLCs
  3. Assign new TLCs to all transformed products
  4. Maintain Shipping KDEs for each delivery to satellite locations
  5. Each satellite location must maintain Receiving KDEs for food from the commissary

This significantly increases the compliance burden compared to a standalone restaurant, which only performs the Receiving CTE.

| Operation Type | CTEs Required | |---------------|---------------| | Single restaurant | Receiving only | | Restaurant commissary | Receiving + Transformation + Shipping | | Satellite locations | Receiving (from commissary) |

Multi-unit operators should evaluate their commissary operations early and plan for the additional record-keeping requirements.