Go to the My Business tab,
Then select the section “Business Details”,
Scroll down to the section “Taxes”, then check the box “Enable Tax Calculation” and enter your taxes informations.
Click on Save and it’s done.
Then to make sure booxi takes into account your taxes on your prices:
Go to the Services tab,
Then select a service for which you want to add taxes,
Then click on Service Details and scroll down to the section about pricing. In the field Tax, select “Excluding tax”. Then booxi will automatically calculate the applicable taxes.