The introduction of two new 8-digit tariff subheadings for salt, classifiable in tariff subheadings 2501.00.10 and 2501.00.90, the tariff phase-down of the “EFTA” (European Free Trade Association) rate of customs duties, and the reduction in the “General” rate of customs duty on paper and paperboard, classifiable in tariff subheading 4811.41.90.