Customs exemption for Light Combat Aircraft programme conditioned on authorised importer certification and restricted use. Continues a customs exemption for goods imported for the Light Combat Aircraft Programme when imported by authorised works centres designated by a Ministry of Defence officer not below Deputy Secretary, provided the importer produces at import a list certified by the Aeronautical Development Agency that the goods are required for and will be used only for LCAP and are not manufactured in India, and certified by a Ministry of Defence officer not below Under Secretary that the imports are authorised; exemption ceases to have effect on or after 1 July 2019.