[Incomplete question conditions] Official A: 8419.50.10 · plate-fin not stated

What you will learn

Disputed-question explanation: official result first, then historical evidence, limitations and uncertainty.

Exam cover instruction; Exam cover reference list (HTSUS); Exam category heading; Question 29 stem as printed; Question 29 choices as printed; Answer key row 29; Section XVI Note 2 (lead-in); Section XVI Note 2(a); Heading 8419 text; Subheading 8419.50 and 8419.50.10; Subheading 8419.50.50 (text only; printed as 'Other' with footnote 25/); Heading 8431 text (text only; not narrated beyond 'parts heading'); GRI 6 · April 21, 2021 Customs Broker License Examination (Series 860), Category V – Classification, question 29 on exam PDF page 13 (rendered locally and viewed); 'April 2021 Broker License Exam Answer Key' row 29 on key PDF page 2 (rendered and viewed). Cover reference: Harmonized Tariff Schedule of the United States (2020 Basic Edition, No Supplements). 2020 Basic Section XVI notes and Chapter 84 read from local text; page 84-31 (8419.50.10 / 8419.50.50) viewed as actual PNG; 2020 Basic GRI 1 and 6 read from local text.
Explained using the historical edition for this exam.