You can set a default billing address for purchase orders by doing the following steps. 

 

Steps to Set a Default Billing Address

1. Click on the Cog Icon 
   

2. Scroll down to Purchase Order Creation 

3. Click on Purchase Order Data Fields.

4. Click on 'Select the Billing Address' and choose the relevant address. New addresses can be entered here also. 

5. Click on "Use Default" – This will set the selected address as the default billing address.
   
   

6. Click "Save Changes" 
   
    

   Important Notes

   The default billing address will automatically be applied to all new purchase orders. You can update the default billing address at any time by following these steps. Ensure you have the necessary permissions to modify company settings.