The Harmonized Tariff Schedule of the United States (HTS), is the principal source for determining tariff classifications and interpreting the customs duties that are owed for goods imported into the United States. Authorities use the Harmonized Tariff Schedule, in combination with explanatory notes, general rules of interpretations, general notes, and also Customs Binding Rulings to further determine the correct HTS. Accurate classification is a part of the importer of records “reasonable care” provision and the penalties for non-compliance are severe. When looking to see the potential ramification for failingto classify properly one should turn to 19 U.S.C. 1592 CBP references for issuing penalties for negligence, gross negligence or fraud. The level and severity of penalties differ according to the degree of culpability CBP considers that you possessed at the time of non-compliance.