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Swiss federal authorities
  • 20.15.1 Nitric acid; sulphonitric acids; ammonia
  • 20.15.10 Nitric acid; sulphonitric acids; ammonia
  • 20.15.2 Ammonium chloride; nitrites
  • 20.15.20 Ammonium chloride; nitrites
  • 20.15.3 Nitrogenous fertilisers, mineral or chemical
  • 20.15.31 Urea

    This subcategory includes:

    • urea, whether or not in aqueous solution

    This subcategory excludes:

    • mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution, see 20.15.36
  • 20.15.32 Ammonium sulphate
  • 20.15.33 Ammonium nitrate
  • 20.15.34 Double salts and mixtures of calcium nitrate and ammonium nitrate
  • 20.15.35 Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances

    This subcategory excludes:

    • mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution, see 20.15.36
  • 20.15.36 Urea and ammonium nitrate solutions

    This subcategory includes:

    • mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution

    This subcategory excludes:

    • urea, whether or not in aqueous solution, see 20.15.31
  • 20.15.37 Other nitrogenous fertilisers, mineral or chemical

    This subcategory excludes:

    • mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution, see 20.15.36
  • 20.15.4 Phosphatic fertilisers, mineral or chemical
  • 20.15.41 Superphosphates
  • 20.15.42 Other phosphatic fertilisers
  • 20.15.5 Potassic fertilisers, mineral or chemical
  • 20.15.51 Potassium chloride (muriate of potash)
  • 20.15.52 Potassium sulphate (sulphate of potash)
  • 20.15.53 Other potassic fertilisers
  • 20.15.6 Sodium nitrate
  • 20.15.60 Sodium nitrate
  • 20.15.7 Other chemical or mineral fertilisers
  • 20.15.71 Fertilisers containing three nutrients: nitrogen, phosphorus and potassium
  • 20.15.72 Diammonium hydrogenorthophosphate (diammonium phosphate)
  • 20.15.73 Monoammonium phosphate
  • 20.15.74 Fertilisers containing two nutrients: nitrogen and phosphorus
  • 20.15.75 Fertilisers containing two nutrients: phosphorus and potassium
  • 20.15.76 Potassium nitrates
  • 20.15.79 Mineral or chemical fertilisers containing at least two nutrients (nitrogen, phosphate, potash) n.e.c.
  • 20.15.8 Animal or vegetable fertilisers
  • 20.15.80 Animal or vegetable fertilisers

    This subcategory also includes:

    • potting soil with peat as main constituent
    • potting soil mixtures of natural soil, sand, clays and minerals, with nitrogen, phosphorus or potassium as an essential constituent
  • 20.15.9 Sub-contracted operations as part of manufacturing of fertilisers and nitrogen compounds
  • 20.15.99 Sub-contracted operations as part of manufacturing of fertilisers and nitrogen compounds