Background
Six nonprofit dog-rescue organizations that import Caribbean puppies into the United States for adoption challenged a May 2024 CDC regulation requiring all dogs admitted to the country to be at least six months old. The regulation, codified at 42 C.F.R. § 71.51(f), replaced a temporary 2021 suspension of imports from high-risk rabies countries. The rescue groups alleged the age requirement exceeded the CDC’s statutory authority under 42 U.S.C. § 264(a) and violated the Administrative Procedure Act as arbitrary and capricious.
The regulation substantially affects the plaintiffs’ operations: they must care for rescued puppies on Caribbean islands until reaching six months of age, and fewer prospective adoptive families want six-month-old dogs, hampering fundraising. The CDC justified the requirement on multiple grounds: it facilitates inspection for rabies (after six months, dogs have lost baby teeth, aiding clinical assessment), verifies adequate rabies vaccination (rabies vaccines licensed for 12-week-old puppies but difficult to assess before six months), and prevents fraud involving falsified vaccination documentation routed through rabies-free countries.
The Court’s Holding
The First Circuit affirmed summary judgment for the CDC, holding that the age requirement falls squarely within the CDC’s § 264(a) authority. The court characterized the age requirement as an “inspection” measure—consistent with the statute’s illustrative examples of inspection, fumigation, disinfection, and destruction of infected animals—that directly relates to preventing rabies introduction. The age requirement enables officials to ascertain imported dogs’ condition and state by making rabies screening easier and confirming dogs are old enough to have received effective vaccination. The court rejected the argument that § 265’s country-specific findings requirement applied, distinguishing inspection measures from outright import bans.
On the arbitrary-and-capricious challenge, the court applied highly deferential review, upholding the regulation because it was supported by a rational view of the record. The CDC reasonably explained that applying the age requirement globally—not just to high-risk countries—was rational given documented instances of importers fraudulently routing high-risk puppies through rabies-free countries (Canada, Mexico, and potentially the Caribbean). The court held that agencies need not adopt the most narrowly tailored approach and may use “belt-and-suspenders” measures when facing extraordinary risks. The CDC documented specific fraud cases: young puppies with falsified vaccination records imported between 2015 and 2021, requiring costly responses to rabid-dog exposures.
Key Takeaways
- Age-based entry conditions for animals qualify as “inspection” measures under § 264(a) when they facilitate disease screening and verification of vaccination status, regardless of whether the exporting country is officially rabies-free.
- The CDC may apply disease-prevention measures globally rather than targeting only identified high-risk countries when there is documented evidence of fraud or evasion through intermediate countries.
- Under post-Loper Bright, courts independently interpret agency statutory authority but apply highly deferential arbitrary-and-capricious review, upholding regulations if supported by any rational view of the administrative record.
- Agencies retain discretion to layer multiple preventive measures (age requirements, microchipping, vaccination verification) even where individual measures may not independently justify the regulation.
Why It Matters
This decision significantly affirms CDC authority to protect against disease reintroduction through flexible, globally applied inspection-based measures rather than requiring country-specific risk findings. For regulated industries and advocacy groups, it establishes that agencies can justify broad preventive rules based on documented patterns of fraud or evasion through intermediate jurisdictions. The holding reconciles § 264(a)’s inspection-based measures with § 265’s country-specific import bans, clarifying that the former need not satisfy the latter’s stricter requirements.
The decision reflects post-Loper Bright administrative law: courts independently construe statutory delegations to agencies but defer substantially to agency factfinding, predictive judgments, and explanations unless unsupported by any rational view of the record. For practitioners challenging public-health or safety regulations, this case illustrates the narrow path when the agency has documented concrete examples of the risk it seeks to prevent and reasonably explained how its regulation addresses that risk.