| section 06 | Products of the chemical or allied industries |
| chapter 29 | Organic chemicals |
| 29.03 | Halogenated derivatives of hydrocarbons: |
| －Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: |
| 2903.79 | －－Other: |
| －－－Halogenated derivatives of methane, ethane or propane halogenated with fluorine and chlorine: |
| －－－－Chlorotetrafluoroethane (HCFC-124) |