[Source or answer dispute] Official C: origin proof gap

What you will learn

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

Conflict batch04 review, section 'Full originals and keys / 2025oct76': saved full original question 76 (stem, all options A–D) and official key line. Original PDF: cble-ace/public/official-pdfs/october-2025-cble-exam.pdf (SHA-256 335ab9ee2c1dfd53f9a421e902efbc5be24813653e3019f55f3c9cefcf73e7b5).; October 2025 answer key, row 76. Original PDF: cble-ace/public/official-pdfs/october-2025-cble-answer-key.pdf (SHA-256 a041946095a3d4fe1905d2d19745aaab8a514ac62923de78f1247311542dc700).; October 2025 CBLE text: cover directions and reference editions. Extracted text of the exam PDF above.; Original exam PDF page CBLE P. 33 (question 76, all options) and CBLE P. 33 (question 77 onward), rendered locally to PNG in /tmp/q76png and physically viewed by this author. Image source; excerpt is this author's transcription, not a text substring.; Original answer key PDF page 3, rendered locally to PNG in /tmp/q76png and physically viewed by this author. Image source; excerpt is this author's transcription.; HTSUS 2025 Basic General Note 27 (UMFTA), subdivision (h) product-specific rules, Chapter 20 rule 5. Text extracted from HTS-2025Basic-GN27.pdf (SHA-256 67149a8e966c72a5177062a7c15c57abf83013bdfb92385b3db610513fa4fd1f), https://hts.usitc.gov/reststop/file?release=2025HTSBasic&filename=General%20Note%2027; provenance video-pilot/source-evidence/2025oct/2025oct74-76-provenance.json.; HTSUS 2025 Basic General Note 27(b)(iii): product-specific rule path (same file).; 19 CFR 10.770 full (a)–(c) read; (a)(3) product-specific path and (c) combining, packaging, and diluting operations. Official XML: https://www.govinfo.gov/content/pkg/CFR-2024-title19-vol1/xml/CFR-2024-title19-vol1-sec10-770.xml (local XML SHA-256 453b4b9b70cd8a25c3a5a0ca63b9bc47c553efa0c8ad4ec0104b742779d4d720).; 19 CFR 10.195 full (a)–(f) read; (a)(2)(i) examples (D), (E), (F). Official XML: https://www.govinfo.gov/content/pkg/CFR-2024-title19-vol1/xml/CFR-2024-title19-vol1-sec10-195.xml (local XML SHA-256 ca1ee6eb1cc9a2cc2f52c7c8b73452a478271a4ad7770d56dd80136c068c9f74).; 19 CFR 134.1 full read; (b) country of origin. Official XML: https://www.govinfo.gov/content/pkg/CFR-2024-title19-vol1/xml/CFR-2024-title19-vol1-sec134-1.xml (local XML SHA-256 357eef267d41d64884b10bbb259e0d83978ae338cb16a2de6021323956040bda).; HTSUS 2025 Basic Edition, Chapter 20, page 20-25 (PNG of the official chapter PDF video-pilot/source-evidence/2025oct/HTS-2025Basic-20.pdf, SHA-256 4cb26c3ac2f6e3e427831f43c64a2adfd98d3fb7204d5af75b309c4ccd596b39, https://hts.usitc.gov/reststop/file?release=2025HTSBasic&filename=Chapter%2020), physically viewed by this author. Excerpt is this author's transcription.; CBP Headquarters Ruling HQ 556704, January 26, 1993 (CBERA; orange juice; substantial transformation), complete legacy Word document from https://rulings.cbp.gov/api/getdoc/hq/1993/556704.pdf (saved as HQ556704.doc, SHA-256 d4e3f69ab41d7ffd5b1bafe4c909619f52ee16055430e6243a3f5b273a6a4220; converted to text with textutil). Historical ruling; current status not determined; not a Morocco or UMFTA ruling. HRL 554486 itself was not read; only HQ 556704's description of it is used.; HQ 556704 holding (same file). · October 22, 2025 Customs Broker License Examination, 'Publication Number: 5258-1125' (as printed); October 2025 answer key 'CBP Publication: 5254-1125' (as printed; not reconciled). Exam references per cover: Harmonized Tariff Schedule of the United States (2025 Basic Edition, No Supplements) and Title 19 CFR ('2024 Revised as of January 1, 2024', as printed). Texts used: USITC 2025 Basic General Note 27 and Chapter 20 PDFs (exact release; initial posting day not independently verified), GovInfo 2024 annual Title 19 (revised as of April 1, 2024) sections 10.770, 10.195 and 134.1, and historical CBP ruling HQ 556704 (January 26, 1993). The cover date January 1 and the annual-edition date April 1 are recorded as found, not reconciled. No later rule, later tariff revision or current law is used.
Explained using the historical edition for this exam.