Customs Documents

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives

Adipic acid, its salts and esters

Azelaic acid, sebacic acid, their salts and esters

Maleic anhydride

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. oxalic acid, its salts and esters, adipic acid, its salts and esters, azelaic acid, sebacic acid, their salts and esters, maleic anhydride, and inorganic or organic compounds of mercury)

Oxalic acid, its salts and esters (excl. inorganic or organic compounds of mercury)