Regulation 2 amends the Seed Marketing Regulations 2011 (S.I. 2011/463) in relation to an unlisted variety of vegetable seed which is the subject of a marketing authorisation issued by another EEA State for the purposes of test and trials. It provides for such seed to be marketable in England for the purpose of gaining knowledge and experience of cultivation. It also amends a reference to Switzerland regarding vegetable seed. Regulation 3 amends the Seed Potatoes (England) Regulations 2015 (S.I. 2015/1953) to include a unique number in an official label.