HTSUS Chapter 27 on the customs broker exam
Chapter 27 of the Harmonized Tariff Schedule covers Mineral fuels, mineral oils; bituminous substances; mineral waxes. Across the released customs broker exams, 3 questions turn on classifying goods in this chapter. Drawn from 3 released sittings, April 2021 through October 2018. Below: every heading CBP has tested, the official heading text, and each exam question that used it.
2710 — Petroleum oils and oils obtained from bituminous minerals, other than crude; preparations not elsewhere specified or included, containing by weight 70 percent or more of petroleum oils or of oils obtained from bituminous minerals, these oils being the basic constituents of the preparations; waste oils
What is the CLASSIFICATION of a mineral oil-based grease, containing less than 30% of zinc and silica additives, and containing no salts or fatty acids of animal or plant based origin?
April 2021 exam, question 31 · tests 2710.19.3500. Full question, answer and citation →
What is the CLASSIFICATION of petroleum based lubricating (cutting) oil for use on aluminum tubes consisting of 84.8% mineral oil and 15.2% additives?
October 2018 exam, question 47 · tests 2710.19.3070. Full question, answer and citation →
2712 — Petroleum jelly; paraffin wax, microcrystalline petroleum wax, slack wax, ozokerite, lignite wax, peat wax, other mineral waxes and similar products obtained by synthesis or by other processes, whether or not colored
What is the CLASSIFICATION of semi-refined solid paraffin wax with an oil content of .05% by weight? The product will be imported in solid brick shapes for use to coat paper.
April 2025 exam, question 29 · tests 2712.20.0000. Full question, answer and citation →
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