File and pay business taxes in Mississippi.
- Learn how to file electronically
- File my taxes online
- Learn about tax incentives, deductions, credits, and programs
States offer various online tools and applications to file and pay taxes such as:
Plan for taxes
- Plan for and pay your taxes
- Tax classifications
- Tax classifications for common business activities
- Sales tax rates
Filing frequencies & due dates
- Due date charts
- Annual filers
- Active non-reporters
File or amend my return
- File online
- File by mail if you have a waiver
- Amend my return
- Payment methods
- Self-service payment plans
No business activity
- Report online. Express file (no login required)
- Report online in My DOR
- Report by phone
- Report by mail if you have a waiver
Late filing
- Excise tax return extensions
- Penalty waivers
- Delinquent tax collection process
- Interest rates
Reviews & appeals
Apply for a tax refund
- Registered businesses
- Consumers
- Mail my request