• 1.0
• HQ H316373
• Aug 30, 2021

• Type: Classification • HTSUS: 8419.50.50
   Related:   H257923   

Protest No. 2809-20-105171; Classification of heat exchangers

• 1.0
• HQ H317418
• May 13, 2025

• Type: Classification • HTSUS: 8419.89.95
   Related:   962015; 962217; 954370; 966792; 960936; 964371; 952881; N175731; N014907; N289152   

Protest and Application for Further Review No 3501-20-100587; Classification of certain models of “heat guns”

• 1.0
• HQ H324564
• Feb 28, 2023

• Type: Classification • HTSUS: 9025.19.80
   Related:   N315309; N312330   

Application for Further Review of Protest No. 2095-21-113137; Classification of Temperature Screening Devices

• 1.0
• HQ H312651
• Nov 23, 2020

• Type: Classification • HTSUS: 8419.50.10; 8419.50.50
   Related:   187077; H292834   

Protest No. 3901-20-109677; classification of plate-fin air-cooled heat exchangers