To make sure the correct room Tax is applied to a Mews Invoice, you can update the Accommodation Tax in the PMS Settings in Event Temple to match the tax you have set in Mews for your guest rooms.
To change the Accommodation Tax:
Click Settings and navigate to Integrations
Click PMS
Click the Edit button in the right-hand corner
Scroll to Organization and Guest Room Control
Under Accommodation Tax, you can click the Dropdown to select the correct option.

