USDA has new regulations (Guideline 1123) for importation of histologic slides and avian tissues fixed in formalin. All avian pathogens are inactivated by formalin after 24 hours.
- Importation form for tissues in formalin and histologic slides: CF.431.1.USDAGuideline1123_FJH_2022-9-26
- USDA VS FORM 16-6A is not required for international shipments of formalin-inactivated avian specimens or histology slides into the United States.
Place the form in the package with the specimens and include 3 copies with the shipping documents on the exterior of the shipping container.