Key legislation (plant health, plant varieties and seeds) Key primary legislation Plant Health Act 1967 Plant Varieties and Seeds Act 1964 Plant Varieties Act 1997 Agriculture and Horticulture Act 1964 Key subordinate legislation Marketing of Vegetable Plant Material Regulations 1995 Seed (National Lists of Varieties) Regulations 2001 Plant Health (Wales) Order 2006 Plant Health (Export Certification) (Wales) Order 2006 Plant Health (Phytophthora ramorum) (Wales) Order 2006 Seed Marketing (Wales) Regulations 2012