Seafood HACCP for Foreign Exporters: FDA Requirements Under 21 CFR Part 123

The United States imports more than 80 percent of its seafood, making foreign processors the backbone of the American seafood supply chain. Every foreign facility that processes fish and fishery products for export to the US must comply with the FDA's Seafood HACCP regulation under 21 CFR Part 123. This is not optional, and it is not a recommendation — it is a binding federal regulation that applies to every processor, regardless of country of origin. Seafood that arrives at a US port from a facility without a compliant HACCP plan is subject to detention, refusal, and listing on FDA import alerts that can block all future shipments from that facility.

What 21 CFR Part 123 requires from foreign processors

21 CFR Part 123 requires every processor of fish and fishery products to develop and implement a written HACCP plan for each product or product category. The plan must identify the food safety hazards that are reasonably likely to occur for each product, determine the critical control points (CCPs) at which those hazards can be prevented, eliminated, or reduced to acceptable levels, establish critical limits for each CCP, establish monitoring procedures, establish corrective action procedures, establish verification procedures, and establish a recordkeeping system. The plan must be developed by an individual who has completed HACCP training equivalent to the FDA-recognized curriculum — typically a two- or three-day course covering the seven HACCP principles.

The hazards that seafood processors must evaluate include biological hazards (pathogenic bacteria such as Salmonella, Listeria monocytogenes, Vibrio species, and Clostridium botulinum; parasites; and natural toxins such as histamine in scombroid species and ciguatera toxin in reef fish), chemical hazards (environmental contaminants such as mercury, PCBs, and pesticide residues; undeclared allergens; and unapproved food additives), and physical hazards (metal fragments, bones, and other foreign material). The FDA's Fish and Fisheries Products Hazards and Controls Guidance is the primary reference document that processors use to identify species-specific hazards and appropriate controls.

Importer verification under 21 CFR 123.12

For foreign processors, the critical compliance link is 21 CFR 123.12, which places verification obligations on the US importer. The importer must either obtain HACCP records from the foreign processor that demonstrate compliance, obtain a certificate from an appropriate foreign government inspection authority or a competent third-party certifying body, maintain a written verification procedure and evidence that the foreign processor is in compliance, or implement other verification measures that provide an equivalent level of assurance. In practice, most US importers require their foreign suppliers to provide copies of HACCP plans, monitoring records, and corrective action logs, and many require third-party audits such as GFSI-benchmarked certifications (BRC, SQF, FSSC 22000, or IFS).

If an importer cannot verify that the foreign processor operates under a compliant HACCP system, the importer is in violation of 21 CFR 123.12 and faces its own enforcement consequences — including Warning Letters, import alerts, and potential criminal liability. This means that foreign processors who cannot provide adequate HACCP documentation will lose their US import partners, because no competent importer will risk their own compliance status by accepting unverified seafood.

Species-specific hazards and controls

Histamine (scombrotoxin) is one of the most common hazards associated with imported seafood. Scombroid species — including tuna, mahi-mahi, mackerel, bluefish, and amberjack — produce histamine when time-temperature abuse allows the enzyme histidine decarboxylase to convert histidine in the fish flesh to histamine. Once formed, histamine is heat-stable and cannot be destroyed by cooking or canning. The critical control is maintaining the cold chain from harvest through processing and shipping — the FDA guidance recommends that scombroid species be kept at 40°F (4.4°C) or below from the time of death. HACCP plans for scombroid species must include time-temperature monitoring as a CCP with specific critical limits.

Parasites are a significant hazard in species consumed raw or undercooked — particularly salmon, tuna, cod, herring, and squid intended for sushi or sashimi. The FDA guidance recommends freezing to destroy parasites: minus 4°F (-20°C) or below for 7 days, or minus 31°F (-35°C) or below until solid and stored at minus 31°F for 15 hours, or minus 31°F until solid and stored at minus 4°F for 24 hours. Processors of raw-consumption seafood must include parasite destruction as a CCP in their HACCP plan if the product will not be cooked before consumption.

Common HACCP deficiencies found during FDA inspections

FDA inspections of foreign seafood facilities consistently identify several recurring deficiencies. The most common is the failure to list all reasonably likely hazards in the hazard analysis — processors often identify biological hazards but omit chemical contaminants or allergens relevant to their product and process. The second most common deficiency is inadequate monitoring records — either monitoring is not performed at the frequency specified in the HACCP plan, or records do not document actual values (such as temperatures or pH readings) but instead record only pass/fail assessments. The third common deficiency is the absence of corrective action records when critical limits are exceeded — the plan may specify corrective actions, but when a deviation occurs, there is no documentation that the corrective action was actually taken and that affected product was evaluated for safety.

How FDABridge supports foreign seafood exporters

FDABridge provides FDA food facility registration, US Agent appointment, and compliance guidance for foreign seafood processors entering the US market. Our team understands the specific requirements of 21 CFR Part 123 and can help ensure your facility registration accurately reflects your seafood processing operations. Visit fdabridge.com/food to see our food registration services or fdabridge.com/contact to discuss your seafood compliance needs.