How to Manage SALES TAX – set up, collect, report and pay sales tax in QuickBooks Online

QuickBooks Online – How to Manage SALES TAX – set up, collect, report and pay sales tax
From the Dashboard > Taxes
Set up products and services and make it taxable > Gear > Lists > Products and Services > New > select ‘Is taxable” box.


Also, see reference article:
Sales tax in QuickBooks Online