Advanced Calculus Manual from China
A professional reference manual covering multivariable calculus, integrals, and theorems for mathematics professionals and students. Falls under HTS 4901.99.0050 as a technical scientific book with structured chapters and technical content.
Duty Rate — China → United States
20%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Label contents clearly as technical to distinguish from general literature; customs may request sample pages
• For sets of volumes, declare as single entry under 4901 to prevent splitting into parts
• Comply with US content restrictions if including software codes or supplements