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St. Charles Parish Sales Tax
St. Charles Parish Sales Tax
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Filing Deadlines

If you are a Monthly Filer

The return is due on the 1st of the following month. It is considered late on the 21st.


If you are a Quarterly Filer

January - March is due by April 1st and is considered late on the 21st.

April – June is due by July 1st and is considered late on the 21st.

October – December is due by January 1st and is considered late on the 21st.


If you are a Semi-Annual Filer

January – June is due by July 1st and is considered late on the 21st.

July – December is due by January 1st and is considered late on the 21st.


If you are an Annual Filer

January – December is due by January 1st and is considered late on January 21st.


* If the 20th falls on a weekend or holiday, the return must be postmarked by the next workday to be considered paid on time.


*We DO NOT offer Occasional Filing.

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  • About Us
  • Audit Info
  • Contact
  • FAQs
  • Filing Deadlines
  • Laws & Policies
  • Tax Forms
  • PAY ONLINE

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