Filing Deadlines - Website https://comptroller.texas.gov/taxes/sales
Sales Tax is due on the 20th day of the following month. For example, if you are a monthly filer, you would file June Sales Tax due by July 20th.
Sales Tax - For yearly filers, reports of sales for the previous year are due on Jan. 20.
Monthly, Quarterly, and Annual Forms & Reporting Due Dates
Payroll Taxes - Complete your 941 report for each quarter due by the 30th of the following month.
Jan-Mar - Due April 30th
Apr-Jun - Due July 31st
Jul-Sep - Due October 31st
Oct-Dec - Due January 31st
Complete your 940 report for the year by January 31st.
Annual submission of 1096/1099 Miscellaneous Forms
IRS Copy of 1099's along with 1096 due by January 31