ARGENTINA
http://www.fsis.usda.gov/Regulations_&_Policies/Argentina_Requirements/index.asp
CANADA
http://www.inspection.gc.ca/active/scripts/meavia/reglist/forlist.asp?lang=e
BRASIL
EU
http://ec.europa.eu/food/food/biosafety/establishments/third_country/index_en.htm
JAPAN
http://www.maff.go.jp/aqs/hou/require/pdf/aw_casing.pdf
SPAIN
http://cexgan.mapa.es/Modulos/Mercados_Paises.aspx
SWEDEN
UKRAINE
https://webgate.ec.europa.eu/sanco/traces/output/non_eu_listsPerCountry_en.htm
USA
http://www.fsis.usda.gov/Regulations_&_Policies/Export_Information/index.asp
http://www.aphis.usda.gov/import_export/plants/manuals/ports/downloads/apm_pdf/03_05casings.pdf