{
  "url": "https://openlegislation.uk/seed-potatoes-regulations-1991/schedule-1/paragraph-4",
  "json_url": "https://openlegislation.uk/seed-potatoes-regulations-1991/schedule-1/paragraph-4.json",
  "legislation": "uksi/1991/2206",
  "legislation_title": "The Seed Potatoes Regulations 1991",
  "legislation_url": "https://openlegislation.uk/seed-potatoes-regulations-1991",
  "path": "schedule/1/paragraph/4",
  "kind": "paragraph",
  "number": "4",
  "heading": null,
  "text": "No basic seed potatoes certificate shall be issued by an authorised officer unless he is satisfied that–\n(a) (i) the land on which the seed potatoes are growing or were grown is land in respect of which a certificate issued under article 32(1) of the Plant Health (Great Britain) Order 1987 was in force at the time of the planting of the crop; and if potato cyst nematode has been found on that land at any time during the period of twelve years immediately preceding the planting of the crop that–\n(aa) six years have elapsed since the last positive finding; and\n(bb) except under a licence issued under article 42 of the said Order, the land has not been used for growing potatoes at any time during a period of eleven years immediately preceding the planting of the crop; and\n(ii) the land on which the seed potatoes are growing or were grown is land which has not been used for growing potatoes at any time during the period, in the case of a crop classified VTSC, of seven years, and in the case of all other crops, of five years, immediately preceding the planting of the crop;\n(b) in the case of seed potatoes grown within the protected region only basic seed potatoes permitted to be planted within the protected region in accordance with article 22(3) of the Plant Health (Great Britain) Order 1987, are or were grown in the same agricultural unit in the same year in which the seed potatoes were grown;\n(c) the seed potatoes have been produced from–\n(i) basic or pre-basic seed potatoes; or\n(ii) a crop grown with the authority of or in circumstances notified in writing as being acceptable to the Minister; or\n(iii) seed potatoes grown elsewhere than in Great Britain and in respect of which an examination notified in writing as being acceptable to the Minister has been carried out;\n(d) the seed potatoes in any one crop are of a single variety;\n(e) the seed potatoes are taken from a crop which is free from the following diseases or pests:–\nWart Disease (Synchytrium endobioticum (Schilb.) Perc.)\nPotato Cyst Nematode, (Globodera species infesting potatoes)\nRing Rot (Clavibacter michiganensis (Smith) Davis et al. ssp. sepedonicus (Spieck. & Kotth.) Davis et al.)\nBrown Rot (Pseudomonas solanacearum (E. F. Smith) Jensen)\nPotato Tuber Moth (Phthorimaea operculella (Zell.))\nPotato Spindle Tuber Viroid\nColorado Beetle (Leptinotarsa decemlineata (Say))\nPotato Tuber Eelworm (Ditylenchus destructor (Thorne))\n(f) the seed potatoes are taken from a crop which has been classified in accordance with the provisions of Schedule 3 and in which the presence of diseased potato plants and deviations from variety and type (rogues, undesirable variations, wildings and bolters) and ground-keepers is ascertained not to exceed the tolerances specified (in relation to the classes described) in Schedule 3.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "am (W)",
      "affecting": "wsi/2001/3666",
      "affecting_title": "The Seed Potatoes (Amendment) (Wales) Regulations 2001"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2001/3666",
      "affecting_title": "The Seed Potatoes (Amendment) (Wales) Regulations 2001"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2001/3666",
      "affecting_title": "The Seed Potatoes (Amendment) (Wales) Regulations 2001"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2001/3510",
      "affecting_title": "The Seeds (National Lists of Varieties) Regulations 2001"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2001/3510",
      "affecting_title": "The Seeds (National Lists of Varieties) Regulations 2001"
    },
    {
      "type": "amended",
      "affecting": "uksi/2000/1788",
      "affecting_title": "The Seed Potatoes (Amendment) (England) Regulations 2000"
    },
    {
      "type": "added",
      "affecting": "uksi/2000/1788",
      "affecting_title": "The Seed Potatoes (Amendment) (England) Regulations 2000"
    },
    {
      "type": "amended",
      "affecting": "uksi/2000/1788",
      "affecting_title": "The Seed Potatoes (Amendment) (England) Regulations 2000"
    },
    {
      "type": "amended",
      "affecting": "uksi/2000/1788",
      "affecting_title": "The Seed Potatoes (Amendment) (England) Regulations 2000"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1991/2206/schedule/1/paragraph/4",
    "retrieved_at": "2026-10-29T14:37:17.856849+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}