The tax classification code of glasses varies according to the trade and tariff regulations of different countries and regions. The following are some common tax classification codes:

1. China customs import and export commodity code (HS code) is 70 13.28.0000. In China, glass is classified as customs code 70 13.28.0000, which belongs to a kind of glass products.

2. In America, the customs code (HTS code) is 70 13.28.0000. In the United States, glass is classified as a kind of glass product with customs code 70 13.28.0000. Therefore, the tax classification code of glasses varies according to the trade and tariff regulations of different countries and regions.