How do I associate a price list to a customer?
While creating/editing a contact, simply select the Payment Details section of the contact to find a field for Price List. Just click on the drop down here to select a price list to associate to that particular contact.
You can also update it in bulk. Once you select the contacts to be updated, a button named Bulk Update appears on the top clicking on which would update the price lists in bulk.
Note: The option to choose Price List will be displayed only if the new contact has the same currency as that of the one in the Price List.