Filing my sales tax at the end of the month QuickBooks Help Questions › Category: 1. Dashboard > 2. Sales › Filing my sales tax at the end of the month 0 Vote Up Vote Down Lisa Bolier asked 2 years ago How do I calculate my deductions for sales tax? I’m filing my TPT return and I’m using the code “retail services provided by seller”. I know I need to create a report for the month but what items should I use in my calculations? Related Your Answer 4 + 0 = Your Email Your Name Public Only Me & Admin