Customs Office Reference Number (format: an8) Country Code (format: a2) Date type (format YYMMDD) Date type (format YYYYMMDD) Day in the Month (format: DD) Declaration request number (format: an..22) Language Code (format: a2) Base class for all long numeric types Long Numeric Type 8 (format: long8) MRN (format: an..21), (alias: DocNumHEA5Type) Carbon Dioxide Emissions Time with precision of minute (format HHMM)