(1)  The concentration of a constituent is to be printed on the label, invoice or delivery docket –

(a) in the case of products sold by weight, as the percentage by weight; and

(b) in the case of products sold by volume, as the percentage by volume.

(2)  If nitrogen, phosphorus, potassium or sulphur is a constituent of a fertilizer, the form or forms in which the constituent is present and the concentration of each of those forms is to be printed on the label, invoice or delivery docket as follows:

(a) Nitrogen (N) as Urea;

(b) Nitrogen (N) as Ammonium;

(c) Nitrogen (N) as Nitrate;

(d) Nitrogen (N) as other (form to be stated);

(e) Phosphorus (P) as Water-soluble;

(f) Phosphorus (P) as Citrate-soluble;

(g) Phosphorus (P) as Citrate-insoluble;

(h) Phosphorus (P) as other (form to be stated);

(i) Potassium (K) as Sulphate;

(j) Potassium (K) as Chloride;

(k) Potassium (K) as other (form to be stated);

(l) Sulphur (S) as Sulphate;

(m) Sulphur (S) as Elemental Sulphur;

(n) Sulphur (S) as other (form to be stated).