Federal Register Final rule: FDA is amending the animal drug regulations to correct an inadvertent error in the conditions of use for fenbendazole paste in horses and cattle written in a 3/9 Federal Register final rule that does not meet the definition of “rule” in 5 U.S.C. 804(3)(A) because it is a rule of “particular applicability” and thus is not subject to the congressional review requirements in 5 U.S.C. 801-808. List of Subjects in 21 CFR Part 520 Animal drugs. To view this final rule, click here.