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?
- BU
- S
- S+
- P
Show the official answer
Official answer: A: BU
Citation in CBP's key: HTSUS General Note 3(c)(i)