9902.07.92 - Mixtures of Disperse Yellow 163 (3,3'-({4-[(2,6-Dichloro-4- nitrophenyl)diazenyl]phenyl}imino)dipropanenitrile) (CAS No. 67923-43-7); Solvent Yellow 163 (1,8-Bis(phenylthio)anthracene-9,10-dione) (CAS No. 13676-91-0); Disperse Blue 56 (1,5-Diamino-2-bromo-4,8-dihydroxy-9,10-anthraquinone) (CAS No. 68134-65-6); Disperse Blue 77 (1-Anilino-4,5-dihydroxy-8-nitro-9,10-anthraquinone) (CAS No. 20241-76-3); Disperse Red 1042A (5-[2-(2-Cyano-4-nitrophenyl)diazenyl]-2-[[2-(2- hydroxyethoxy)ethyl]amino]-4-methyl-6-(phenyl- amino)-3-pyridinecarbonitrile) (CAS No. 149988-44-3); Disperse Red 1042B (5-[(2-cyano-4-nitrophenyl)diazenyl]-6-[[2-(2- hydroxyethoxy)ethyl]amino]-4-methyl-2- (phenylamino)-3-pyridine carbonitrile) (CAS No. 137428-29-6); Disperse Blue 60 M (4,11-Diamino-2-(3-methoxypropyl)- 1H-naphtho[2,3-f]isoindole-1,3,5,10(2H)-tetrone (CAS No. 12217-80-0); and Disperse Blue 60 ME (4,11-Diamino-2-[3-(2-methoxyeth- oxy)propyl]-1H-naphtho[2,3-f]isoindole-1,3,5,10(2H)-tetrone) (CAS No. 65059-45-2) (provided for in subheading 3204.11.35)

This HTS category, 9902.07.92, specifically covers certain pre-defined mixtures of organic dyes. These mixtures are identified by their specific chemical names, CAS numbers, and are explicitly stated to be related to dyes previously classified under subheading 3204.11.35. This special provision is designed to manage the importation of these particular dye formulations, likely due to specific trade or regulatory considerations.

Given that this is a leaf node within Chapter 99, there are no further subdivisions. Therefore, understanding this category relies on recognizing the precise composition of the mixtures listed and their relationship to their primary HTS classification under dyes. Unlike other categories within Chapter 99, which might represent broad temporary legislation or broader temporary modifications, this specific code is focused on a very narrow set of chemical products.

The primary distinction of this category from its siblings at the root level of the HTS (such as live animals in Chapter 01) is its placement within Section XXII, "Special Classification Provisions," and Chapter 99, which deals with temporary legislation and trade agreement modifications. This signifies that these dye mixtures are subject to specific, time-limited trade policies or restrictions that override their standard tariff classifications. The detailed chemical names and CAS numbers provided are the definitive criteria for classifying goods under this provision.