Exchange Rate Determination - customs prescribe new conversion rates for specified foreign currencies affecting import and export valuation. The Central Board fixes conversion rates between specified foreign currencies and the Indian rupee for customs valuation, effective 20th August, 2021, superseding the earlier notification except for prior actions. Rates are published in two annexed schedules: Schedule I sets per unit rupee equivalents for multiple currencies with separate columns for imported and exported goods; Schedule II sets rupee equivalents per 100 units for currencies quoted per 100 units.