9902.17.39 - Signal generators, certified by the importer to be used for calibrating oscilloscopes, the foregoing each with five channels and no recording device (provided for in subheading 9030.89.01)

This HTS category, 9902.17.39, covers specialized signal generators. These devices are specifically designed and certified by the importer for the purpose of calibrating oscilloscopes. Key distinguishing features include a five-channel configuration and the absence of any recording capabilities. This precise definition ensures that only instruments meeting these specific functional and technical requirements are classified under this provision.

As a leaf node within Chapter 99, this category represents a highly specific, temporary classification. Its existence highlights the need for tailored tariff treatment for particular goods, often related to specific import programs or temporary trade policy adjustments. Unlike the broader categories found in the earlier chapters of the HTS, such as live animals (Chapters 01), this provision addresses a niche electronic instrument with a defined technical application. The classification of these signal generators is contingent upon the importer’s certification of their intended use for oscilloscope calibration, a critical factor for proper tariff application.