Users can set Shopify or Magento to sync Taxes as a Line Item in their Accumula settings. When Tax Setup is incomplete it can lead to duplicate taxes being assigned to the Order or Invoice in Lightspeed.
To resolve this issue please ensure a Tax Code exists in Lightspeed called either "Shopify Taxes" or "Magento Taxes" according to your Ecommerce solution. This Tax Code must have a rate of 0%. You will also need a Lightspeed Tax Code called "No Tax" with a rate of 0%.
To create this Tax Code:
- In Lightspeed, go to Tools > Setup > Basic > Taxes.
- Under Tax Codes select New.
- Create tax code called Shopify Taxes
Note: Previous invoices can be adjusted by simply setting the invoice tax to Shopify Taxes and saving the Invoice.