1. Log into the administration for your Yahoo Store.
2. From Store Manager, click the "Pay Methods" link under the "Order Settings" column.
3. Click "Payment Processing Setup and Management."
4. Click "Setup existing merchant account."
5. Enter your merchant account information provided by CardService and select the supported credit cards.
   Name of Merchant Bank: CardService International
   
   
   
   
6. Click the SETUP button.
7. Click "Payment Options" and select the option buttons for the credit card types that will be available for your customers to choose when they go through the checkout process. Once you have finished selecting the cards you wish to make available, click the "Update" button.

MANUALLY CHARGE A CREDIT CARD

1. Sign in to the store manager.
2. Click the "Manual Transactions" link in the "Process" column of your Store Manager.
3. Enter the information for the following fields:
   - Card Number
   - Expiration Date
   - Amount
   - Address (street address only)
   - Zip
4. Click on the SALE button to charge the card
   NOTE: Do not enter the 3 digit security code under AUTHORIZATION CODE.

For more help with processing orders you can visit the following web site:
http://help.yahoo.com/help/us/store/order