How to
Maintain Vendor

go to the maintain menu and select "vendor"

a window will open appeared on screen like: 

          

Enter a new vendor ID, Name and complete the necessary vendor information.

When you're finished filling in the window, select the save and save it

General (Maintain Vendors)

To enter basic information about the vendor such as contact information, address, phone and fax numbers, and beginning balances, select the General tab in the Maintain Vendors window.

Purchase Defaults (Maintain Vendors)

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Purchase Rep

Custom Fields (Maintain Vendors)

In that above information we enter the all information according to our vendor information

History (Maintain Vendors)

and also write the above information