[Source or answer dispute] Official A: heading supported, subheading open

What you will learn

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

May 1, 2024 CBLE full text (PDF text extraction): cover directions and prescribed references.; Cover statement of single best answer.; Question 35 stem and all four options as printed (Category IV – Classification).; Original exam PDF; page 20 (question 35) and page 1 (cover) rendered and physically viewed.; Official answer key title and publication number.; Answer key row 35 as printed.; Original key PDF page 1 rendered and physically viewed (rows 1–45, row 35).; Chapter 30 Note 1(e).; Chapter 30 Note 2 (immunological products) – shown for completeness only; not applied to the product.; Subheading note 1 – limited to 3002.13 and 3002.14.; Heading 3002 text.; Immunological products lines carrying mixed / measured-dose wording (3002.14, 3002.15).; Vaccines/toxins group and 3002.49.00.; 3002.49.00 Other within the vaccines/toxins group.; Residual 3002.90 and 3002.90.52 with statistical suffixes.; 3002.90.52 suffixes 10, 20, 50.; Heading 3004 excludes goods of heading 3002.; Actual page image of Chapter 30 page 30-4 (heading 3002 full subdivision), physically viewed. Chapter 30 PDF page 1 (Notes 1–4(d)) also rendered and viewed.; Original 2023 Chapter 30 PDF (provenance file).; HQ H227295 header: date and tariff number.; BOTOX indicated uses include chronic migraine.; BOTOX Cosmetic identical compound.; 2014 subheading description quoted in the ruling.; Facts: per-vial units and milligrams; sterile vacuum-dried form.; Form of the product in the ruling.; Ruling's description of the mixture.; Reasoning: injected intramuscularly, not applied topically.; Heading 3304 text as quoted in the ruling (2014).; Holding.; Official legacy Word file of HQ H227295 (source of the converted text). · May 1, 2024 Customs Broker License Examination, 'CBP Publication: 3717-0524' (as printed); answer key 'May 1, 2024 Customs Broker License Exam Answer Key', 'CBP Publication: 3718-0524' (as printed). Exam reference per cover: Harmonized Tariff Schedule of the United States (2023 Basic Edition, No Supplements). Tariff text used: HTSUS (2023) Chapter 30 Notes 1–4, subheading notes 1–2, heading 3002 full subdivision (page 30-4, actual page image) and heading 3004 header, from the file fetched as release=2023HTSABasic per video-pilot/review/historical-current-batch02-20261012/review.json. Ruling used as historical interpretive evidence: CBP HQ H227295, August 6, 2014 (full text), which applies the 2014 schedule. No supplement, later edition, current schedule or duty rate is used.
Explained using the historical edition for this exam.