April 2026 CBLE · Category VI: Valuation, Appraisement and Duty Assessment · Question 69 of 80

April 2026 CBLE, question 69

Which of the following Special Program Indicators (SPI) is NOT valid?

  1. BU
  2. S
  3. S+
  4. P
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Official answer: A: BU

Citation in CBP's key: HTSUS General Note 3(c)(i)

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