Patent ID: 8015074

Claim:
A commodity order issuing and accepting method, comprising: providing an order issuing device capable of electronic communications; providing an order accepting device capable of electronic communications; requesting a first electronic document comprising first input fields for accepting order issuer information and for accepting commodity order issuance information except for an order issuer's payment date from said order accepting device; transmitting said first electronic document to said order issuing device; inputting said order issuer information and said commodity order issuance information except for said order issuer's payment date into said first input fields on said order issuing device; transmitting said order issuer information and said commodity order issuance information except for said order issuer's payment date to said order accepting device; retrieving a transaction condition corresponding to said commodity order issuance information on said order accepting device; transmitting a second electronic document on which said transaction condition is described and which has a second input field for said order issuer's payment date to said order issuing device; inputting said order issuer's payment date into said second input field on said order issuing device; and transmitting said order issuer's payment date to said order accepting device, wherein said second electronic document comprises a formula for calculating a payment price based on said order issuer's payment date which is determined by said order issuer, and a due payment date, a delivery date, a maximum discount rate and a regular price which are determined by an order accepter, said formula complying with said transaction condition.