| 8473.21.00 | -- Of the electronic calculating machines of subheading 8470.10, 8470.21 or 8470.29 | |
| 8473.29.00 | -- Other | |
| 8473.30.00 | - Parts and accessories of the machines of heading 84.71 | |
| 8473.40.00 | - Parts and accessories of the machines of heading 84.72 | |
| 8473.50.00 | - Parts and accessories equally suitable for use with the machines of two or more of the headings 84.70 to 84.72 |