Not automatically. Under the HTS, bound books generally receive favorable duty treatment, but brochures, leaflets, and advertising circulars may be classified under different headings with different duty rates depending on their content, format, and binding. A licensed customs broker can confirm the correct heading based on the specific article.

CBP applies a primary-purpose analysis to determine whether a printed piece is an informational publication or an advertising circular. If the dominant function is promoting a product or service, the item may be excluded from book-type headings and classified as printed advertising matter, which can carry a different duty rate. Detailed content review and legal counsel are advisable for borderline cases.