Section 06 Products of the chemical or allied 31 Fertilisers 31 02 Mineral or chemical fertilisers, nitrogenous 31 02 60 - Double salts and mixtures of calcium nitrate and ammonium nitrate 31 02 60 00 - Double salts and mixtures of calcium nitrate and ammonium nitrate Commodity Code Description 31 02 60 00 000 - Double salts and mixtures of calcium nitrate and ammonium nitrate