Customs classification of wood and cork products determines tariff treatment and scope of goods listed in the First Schedule. The instrument defines the tariff classification framework for forest and plant-based manufactured goods under the Customs Tariff First Schedule, specifying the scope and application of Section IX, and identifying covered groups: wood and articles of wood; wood charcoal; cork and articles of cork; manufacturers of straw, esparto and similar materials; basketware and wickerwork corresponding to Chapters 44-46.