... seller sends draft contract to the Buyer via e -mail, fax or courier.E. Buyer verified, corrected and ... sign the contract and returned tothe buyer via e -mail, fax or courier.G. Buyer verifies that the ... the invoice from the Seller to the Buyer viae-mail, fax or courier, the Purchaser shall issue within ... form. Shouldbe sent by the buyer by fax, mail or courier.L. After receiving first swift copy for ...