Exchange rate determination: Customs prescribes conversion rates for imports and exports, altering prior notification effect. The Central Board of Indirect Taxes and Customs, under section 14 of the Customs Act, 1962, prescribes conversion rates of specified foreign currencies into Indian rupees for customs purposes, with distinct rates for imported and export goods, effective 16th September, 2022, superseding Notification No. 73/2022-Customs(N.T.). Schedule I lists unit rates and Schedule II lists per 100 unit rates; certain Pound Sterling entries were subsequently substituted by later notifications.