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Stay informed on all the SCDOR forms updates and changes

 
​​​​
​​​​ SC1040ES and SC1041ES forms for Tax Year 2024 coming in late February
The SC1040ES and SC1041ES will be available in late February once the 2024 tax rate is determined. 

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What's New for Software Developer​s​


​​July 16,​​​ 2025​​

The SCDOR requires a yearly Letter of Intent (LOI)​ before ​you can be approved for submitting MeF and paper forms for review. Email your complet​ed LOI to LOISubmissions@dor.sc.gov by August 11, 2025. After the SCDOR has ​​approved your LOI, you will receive an acceptance email and more information about our new forms submission process. You will not be able to submit forms for review until you have received the acceptance email.

​If you have any que​​stions or concerns, email us at ​softwaredevelopersforms@dor.sc.gov.

 Subscribe to our mailing list to receive our latest Software Developer news straight to your inbox.

Important Reminders:

  • MeF material is availab​le via the State Exchange, and all questions regarding MeF should be directed to MeF@dor.sc.gov

  • All submissions are assigned within 1-2 business days of receipt, and will then be processed within 10 business days. Please note South Carolina state holidays may have an impact on those timelines.

  • ​Taxpayers are required to file the following forms electronically, and no longer provide updates for the paper versions of these forms. Taxpayers who file these forms by paper may be subject to a $500 fine for each paper return filed:

    • ​ST388
    • ST390
    • ST394
    • ST397
    • ST403
    • ST406
    • ST429
    • ST455
    • ST3T

New​ to Forms​



Form Name
Form Number
Post Date
​Corporate Income Tax Declaration for Electronic Filing
SC8453C​06-11-25
​Individual Income Tax Declaration for Electronic Filing
​SC8453
06-11-25​