9902.03.09 - 4-Hydroxybenzoic acid (CAS No. 99-96-7) (provided for in subheading 2918.29.22)

This HTS category, 9902.03.09, specifically covers 4-Hydroxybenzoic acid, identified by its Chemical Abstracts Service (CAS) number 99-96-7. While its primary classification is within subheading 2918.29.22 of Chapter 29, this specific HTS code falls under Chapter 99, which pertains to temporary legislation and modifications, including those implemented under Section 22 of the Agricultural Adjustment Act. Therefore, this classification likely signifies a specific temporary duty rate, quota, or other trade-related provision applicable to this particular chemical compound.

As a leaf node within Chapter 99, there are no further subcategories for this specific HTS code. The focus for classification professionals using this node is on understanding the conditions and duration of the temporary legislation it represents, rather than further product subdivision. Its unique role is to modify or supersede the standard tariff treatment of 4-Hydroxybenzoic acid as dictated by its primary HTS chapter. This ensures that trade professionals correctly apply the prevailing temporary measures to importations of this chemical.