Microsoft Dynamics AX automatically copies information when you create a one-time supplier in the Vendors form. When you create a purchase order for a one-time supplier in the Vendors form, the application automatically creates a one-time vendor Except for the vendor number, the one-time supplier will inherit all base information from the vendor number specified in this field. The one-time vendor number sequence must be specified in the Number sequencesform. If you do not use one-time suppliers, you can leave the default vendor number blank.