StarterPack introduces Sales Tax on Service Contract Quotes and Service Contracts documents which are included in the Print document too.
Service Contract Quote:
Service Contract

Extended Resource and Item Taxability is also included in this module. i.e. a resource can be taxable or non-taxable based on items being processed in the document and vice versa.
Item:

Resource:

Resource has additional features where it can be auto added to order based on order items.
This Feature is designed to help with Sales Tax Reporting.
The Sales Tax Report is processed from a Sales Tax Settlement Journal.
Sample Report Output:
Reported Entries are closed using the page action below:
This feature is meant to allow sales tax amount updates by posting a document which is full tax and is reflected in sales tax reporting:
Posted Document
Tax Details:
Sales Tax Report