The Regulations control the production with a view to marketing, the certification the marketing of seed potatoes in England, other than those intended for export outside the European Union and implement various European instruments, in particular Council Directive 2002/56/EC on the marketing of seed potatoes. prohibits the marketing of any seed potatoes unless they have been certified as either pre-basic, basic or certified seed potatoes, or unless they have been authorised for marketing for scientific purposes or selection work or for test and trial purposes. For seed potatoes produced in England, certification, including the determination of the category and grade at which the potatoes must be marketed, must take place in accordance with specified requirements. They also apply more stringent requirements to seed potatoes to be marketed in the protected region . They also provide for packaging, labelling and sampling of potatoes.