Refund entitlement for international organisations and diplomatic missions conditioned on certificates, reciprocity, use undertakings and non disposal obligations. Entitlement to refund of State tax is specified for the United Nations or a specified international organization on production of a certificate confirming official use, and for foreign diplomatic missions or consular posts and their diplomatic agents or career consular officers subject to a Protocol Division certificate based on reciprocity, an undertaking for services, certification and three year non disposal conditions for goods, repayment on non compliance, and cessation of refund upon withdrawal of the Protocol Division certificate.