... . The seller sends draft contract to the Buyer via e -mail, fax or courier.E. Buyer verified, corrected and returned to Seller by ... you agree, sign the contract and returned tothe buyer via e -mail, fax or courier.G. Buyer verifies that the contract is ... seller, this renders the invoice andsend to the Buyer via e -mail, fax or courier.J. After receiving the invoice from the ...