Customs duty exemption for imported goods donated for Bihar flood relief, subject to importer certification and district magistrate confirmation. Exempts from customs duty and additional duty all goods under the Customs Tariff Schedule imported for donation for relief and rehabilitation of flood affected persons in Bihar, subject to certification by the importer on clearance documents that the goods are for donation without charge, delivery to the Central Government, the Government of Bihar or approved relief agencies, and production within six months (or extended period) of a District Magistrate's certificate confirming donation.