Exchange rate determination fixes conversion rates for specified foreign currencies for import and export valuation under customs law. Under the Customs Act the Board fixes specific rupee conversion rates for listed foreign currencies to be applied to imported and exported goods, providing separate rupee equivalents for imports and exports, and superseding the immediately preceding notification except as to prior actions; the rates are set out in Schedule I (per unit) and Schedule II (per 100 units) with administrative references and a recorded substitution for the Turkish lira.