Following CBLE question is the focus of this video:

What is the CLASSIFICATION of check valves that regulate the flow of hydraulic fluid? The check valves are made of iron and are used in the oil well industry.

A. 8431.43.4000
B. 8481.20.0040
C. 8481.30.2010
D. 8481.30.9000
E. 8431.43.8060

Correct Answer: (B).

#Harmonized Tariff Schedule of the United States (HTSUS) and Classification
#HTSUS General Rule of Interpretation 1 (GRI 1)
#HTSUS Section XVI
#HTSUS Chapter 84

CBLE Link: https://www.lawcustoms.com/wp-content/uploads/2025/02/102017-CBE-Exam.pdf