When you need to show how the different tax rates have been summed up on a quote, job or invoice, you can use a tax summary table. This is simply a table in your PDF template with the following tags:
{TaxSummary} tells the system this table is a tax summary table.
{ItemTaxName} is the name of the rate
{ItemTax} is the sum of the net values the rate has been applied to
{ItemTaxTotal} is the tax value calculated on the net at the rate
Learn more: PDF document templates