Hoctor v. United States Department of Agriculture
Facts
The Department had validly promulgated a regulation requiring animal housing facilities to be structurally sound, made of appropriate material and strength, and maintained to protect and contain the animals. Hoctor, a dealer in exotic animals including lions, tigers, ligers, cougars, and snow leopards, kept the animals in pens within a compound enclosed by a six-foot perimeter fence, which he had built after an inspector's suggestion. The next year, the Department issued an internal memorandum stating that dangerous animals had to be inside a perimeter fence at least eight feet high. Beginning in 1990, inspectors cited Hoctor for violating the housing regulation on the ground that he lacked the required eight-foot perimeter fence, and the Department sanctioned him.
Issue
Whether the Department of Agriculture's requirement that dangerous animals be enclosed by a perimeter fence at least eight feet high was a valid interpretive rule exempt from APA notice-and-comment procedures, or instead a legislative rule invalid because it was adopted without those procedures.
Rule
Under APA § 553, notice and comment are required for legislative rules but not for interpretive rules. A rule is legislative, not interpretive, if it is intended to bind and cannot be derived from the statute or regulation by interpretation, but instead embodies an arbitrary choice among permissible methods of implementation; such a rule requires notice-and-comment rulemaking even if it is consistent with the underlying standard.
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