§ 4. "That on and after the first day of July, nineteen hundred and twenty-five, the following duties of customs shall be charged on the importation into Great Britain or Northern Ireland of the following goods, that is to say—
§ Silk:
| Cocoons and waste of all kinds— | |||
| s. | d. | ||
| Undischarged | the lb. | 1 | 6 |
| Wholly or partly discharged | the lb. | 3 | 0 |
| Raw— | |||
| Undischarged | the lb. | 4 | 0 |
| Wholly or partly discharged | the lb. | 5 | 9 |
| Thrown or spun, including yarns and threads of all kinds— | |||
| Undischarged | the lb. | 4 | 8 |
| Wholly or partly discharged | the lb. | 6 | 8 |
| Tissue containing silk— | |||
| Undischarged | the lb. | 5 | 3 |
| Wholly or partly discharged | the lb. | 7 | 9 |
| Artificial silk: | |||
| Yarn thread, straw, or waste | the lb. | 3 | 0 |
| Tissue containing artificial silk | the lb. | 3 | 6 |
| Articles not heretofore specified made wholly or in part of silk or artificial silk | A duty equal to 33⅓ percent, of the value of the article. " |