For price discrepancies on parts and accessory orders, Customer Care Representatives may approve certain price discrepancies. 

1. If the PO value is higher than the SAP order total: a new PO must be provided or an email from an authorized person within the company agreeing to pay the lesser amount.

(M.Nye:  Simply email the customer, preferably the buyer, asking for their permission for us to charge a lesser amount than what is on their PO, and provide details.  Save their email reply as an .msg file, and attach that email to your SAP CRM quote.  Changing a PO cost the customer time & money, and is not required if we get their agreement in writing in an email reply.)

2. If the PO value is lower than the SAP order total: a Customer Care Representative can discount up to $50 but not to exceed 10% of the order total. For situations exceeding this threshold the appropriate approval will be provided or obtained by the Customer Care Manager. Any pricing adjustment must be fully documented in the sales order notes.

From Customer Care Purchase Order Review and Guidelines Work Instruction 1024 saved on their Customer Care Sharepoint site.