9902.02.03 - Methanesulfonyl chloride (CAS No. 124-63-0) (provided for in subheading 2904.10.50)

This HTS category, 9902.02.03, pertains to Methanesulfonyl chloride (CAS No. 124-63-0) specifically when it is provided for under subheading 2904.10.50. This classification falls within Section XXII, which covers special provisions, temporary legislation, and modifications related to trade agreements and agricultural adjustments. Chapter 99, where this code resides, is dedicated to these temporary and modified tariff treatments rather than the inherent nature of the product itself. Therefore, this entry signifies a specific, potentially temporary, classification for Methanesulfonyl chloride that deviates from its standard classification under Chapter 29.

As a leaf node within Chapter 99, this category does not have further subcategories. Its purpose is to impose a distinct tariff or restriction on Methanesulfonyl chloride, as specified by the "provided for in subheading 2904.10.50" note. This indicates that while the chemical itself is classifiable under 2904.10.50, this particular entry 9902.02.03 represents a special treatment, likely for a limited time or under specific trade conditions, that supersedes its usual classification. Importers must consult the specific proclamations and legislation associated with this 9902 code to understand the precise duties, restrictions, or requirements applicable to Methanesulfonyl chloride.