48 C.F.R. § 225.870-3
(a) As indicated in 225.870-4, the Canadian Commercial Corporation is the prime contractor. To indicate acceptance of offers by individual Canadian companies, the Canadian Commercial Corporation issues a letter supporting the Canadian offer and containing the following information:
(d) Except for sealed bids, the Canadian Commercial Corporation normally will submit offers and quotations in terms of Canadian currency. The Corporation may, at the time of submitting an offer, elect to quote and receive payment in terms of U.S. currency, in which case the contract—