Lithographs on paper or paperboard, not over 0.51 mm in thickness, printed not over 20 years at time of importation (provided for in subheading 4911.91.20)
Chapter 99 trade action · Source: USITC HTS
Source: USITC Harmonized Tariff Schedule (Chapter 99 overlays) + IEEPA executive-order timeline · cited-in counts from CBP CROSS.