Transport and Marketing Assistance amendment sets air export assistance on per kilogram freight basis and updates regional differential rates. The TMA scheme amendment replaces Clause 6(g) to calculate assistance for air-exported products on a per kilogram freight basis, using net export cargo weight and ignoring fractional kilograms. Annexure (3) is substituted to set differential assistance rates by region, showing amounts per TEU for normal and reefer containers and amounts per kilogram for air shipments. The modifications apply only to fresh applications submitted after the notification date; existing applications cannot be modified.