29. In addition, Annex I Parties should provide information on the following precursor gases: carbon monoxide (CO), nitrogen oxides (NOX) and non-methane volatile organic compounds (NMVOCs), as well as sulphur oxides (SOX).
29. In addition, Annex I Parties should provide information on the following precursor gases： carbon monoxide (CO)， nitrogen oxides (NOX) and non-methane volatile organic compounds (NMVOCs)， as well as sulphur oxides (SOX).