Sc1040 2026

1. Click 'Get Form' to open the SC1040 in the editor.
2. Begin by entering your Social Security Number (SSN) and personal details, ensuring accuracy to avoid delays.
3. Fill in your federal taxable income from your federal return on line 1. If it's zero or less, enter zero.
4. Complete the additions section (lines a-e) by adding any necessary amounts, such as state tax addbacks or out-of-state losses.
5. Proceed to the subtractions section (lines f-w), where you can deduct items like state tax refunds and certain retirement incomes.
6. Calculate your South Carolina income subject to tax by subtracting total subtractions from total additions and entering it on line 5.
7. Use the provided tax tables to determine your total South Carolina tax based on your income and enter it on line 10.
8. Complete the non-refundable credits section (lines 11-13) and total them before subtracting from your total tax.
9. Enter all payments made, including withholding and estimated payments, in the payments section (lines 16-22).
10. Finally, review all entries for accuracy before submitting. Use our platform's features for easy corrections if needed.

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