Customs exemption under Bangkok Agreement: concessional duty rates apply to specified imports subject to origin proof. Exemption is granted for the portion of customs duty in excess of the concessional ad valorem rates listed in the annexed Table for goods imported into India from members of the Bangkok Agreement, subject to satisfactory proof to the Assistant Collector that the goods comply with the Customs Tariff (Determination of Origin of Goods under the Bangkok Agreement) Rules, 1976. Part I of the Table covers goods from Bangladesh, Republic of Korea or Sri Lanka that have ratified the Agreement; Part II applies concessional rates specifically for imports from Bangladesh.