What is a rounding discount? Bold Commerce Help Center Xero Integration - Shopify Frequently Asked Questions (FAQs) Alexa Published: July 31, 2017 17:16 Last Updated: September 27, 2021 21:47 Follow When an order exports to Xero with a discount code applied to the Shopify order, the discount is applied to the Xero invoice as a rounding discount, not a separate line item.