The Imported Food and Feedingstuffs (Safeguards against Cholera) Regulations 1991
These Regulations prohibit (subject to certain exceptions) the importation into Great Britain of fish products (including fish and molluscs) which have been harvested or processed in Colombia, Ecuador or Peru, unless they are accompanied by appropriate documentation from the food control authorities in the country where they were harvested or prepared for sale. (Regulations 2 and 3 and the Schedules).