Chapter 31
Fertilisers
Notes.
1.- This Chapter does not cover :
(a) Animal blood of heading No. 05.11;
(b) Separate chemically defined compounds (other
than those answering to the descriptions in
Note 2 (A), 3 (A), 4 (A) or 5 below); or
(c) Cultured potassium chloride crystals (other
than optical elements) weighing not less than 2.5 9 each, of heading No. 38.24;
optical elements of potassium chloride (heading No. 90.01).
2.- Heading No. 31.02 applies only to the following
goods, provided that they are not put up in the forms or packages described in
heading No. 31.05 :
(A)
Goods which
answer to one or other of the descriptions given below:
(i)
Sodium nitrate, whether or not pure;
(ii) Ammonium nitrate, whether or not pure;
(iii) Double salts, whether or not pure, of
ammonium sulphate and ammonium nitrate;
(iv) Ammonium sulphate, whether or not pure;
(v) Double salts (whether or not pure) or mixtures
of calcium nitrate and ammonium nitrate;
(vi) Double salts (whether or not pure) or mixtures
of calcium nitrate and magnesium nitrate;
(vii) Calcium cyanamide, whether or not pure or
treated with oil;
(viii) Urea, whether or not pure.
(B) Fertilisers consisting of any of the goods
described in (A) above mixed together.
(C) Fertilisers consisting of ammonium chloride or
of any of the goods described in (A) or (B) above
mixed with chalk, gypsum or other inorganic
non-fertilising substances.
(D) Liquid fertilisers consisting of the goods of
subparagraph (A) (ii) or (viii) above, or of mixtures of those goods, in an
aqueous or ammoniacal solution.
3.- Heading No. 31.03 applies only to the following
goods, provided that they are not put up in the forms or packages described in
heading No. 31.05 :
(A)
Goods which
answer to one or other of the descriptions given below:
(i)
Basic slag;
(ii) Natural phosphates of heading No. 25.10,
calcined or further heat-treated than for the
removal of impurities;
(iii) Superphosphates (single, double or triple);
(iv) Calcium hydrogenorthophosphate containing not
less than 0.2 % by weight of fluorine
calculated on the dry anhydrous product.
(B) Fertilisers consisting 'of any of the goods
described in (A) above mixed together, but with no account being taken of the
fluorine content limit.
(C) Fertilisers consisting of any of the goods
described in (A) or (B) above, but with no account being taken of the fluorine
content limit, mixed with chalk, gypsum or other inorganic non-fertilising
substances.
4.- Heading No. 31.04 applies only to the following
goods, provided that they are not put up in the forms or packages described in
heading No. 31.05 :
(A) Goods which answer to one or other of the
descriptions given below:
(i) Crude natural potassium salts (for example,
carnallite, kainite and sylvite );
(ii) Potassium chloride, whether or not pure,
except as provided in Note 1(c) above;
(iii) Potassium sulphate, whether or not pure;
(iv) Magnesium potassium sulphate, whether or not
pure.
(B)
Fertilisers
consisting of any of the goods described in (A) above mixed together.
5. Ammonium dihydrogenorthophosphate (monoammonium phosphate) and diammonium hydrogen-orthophosphate (diammonium phosphate), whether or not pure, and intermixtures thereof, are to be classified in heading No. 31.05
6. For the purposes of heading No. 31.05, the term “other fertilisers” applies only to products of a kind used as fertilisers and containing, as an essential constituent, at least one of the fertilising elements nitrogen, phosphorus or potassium.
Explanatory remarks to chapter
31
Exportation is subject to the approval of the Ministry of Commerce.