3186251 - How do I maintain the user shipto data in PunchOutSetupRequest at buyer side?

How do I maintain all these ShipTo information at buyer side? 

The user information is included in ShipTo of the PunchOutSetupRequest (POSR), which is sent to the supplier punchout site when the buyer user click the punchout catalog. 

            <ShipTo>
                    <Address addressID="ADBuyer123456789">
                        <Name xml:lang="en">ADBuyer123456789</Name>
                        <PostalAddress>
                            <DeliverTo>SAPジャパン株式会社購買部　東京 太郎</DeliverTo>
                            <Street>大手町1−2−1　三井物産ビル　03-6737-0000</Street>
                            <City>千代田区　SAPジャパン株式会社　購買部</City>
                            <State>東京都</State>
                            <PostalCode>100-0002</PostalCode>
                            <Country isoCountryCode="JP">Japan</Country>
                        </PostalAddress>
                    </Address>
            </ShipTo>

KBA , BNS-ARI-CM-POC , Punchout Catalog , How To