In Magento, the tax of items in an order is calculated based on:
ConnectPOS pulls the Product tax class and Customer tax class data from Magento automatically in real time. Therefore, you only need to configure the “Address for calculating Tax”.
To set up the “Address for calculating Tax” in ConnectPOS:
Some other Points of Sale, at Checkout step, have to send the information to Magento for tax calculation and then wait for the returned results. The time you have to wait depends heavily on your Internet speed and in case the Internet is down, it’s likely that you will get the wrong Grand Total results.
Unlike these Points of Sale, ConnectPOS pulls the tax settings from Magento to POS and calculates taxes directly in POS, following Magento tax rules strictly. It quickens the processes and ensures that you still get the right result even in Offline Mode.