Do not use the WH-1605 to file your fourth quarter return. Use the WH-1606 for fourth quarter.
Due dates: First Quarter (Jan - Mar) April 30, Second Quarter (Apr - Jun) July 31, Third Quarter (Jul - Sep) October 31.
Payment: attach payment to this return; make check payable to SCDOR and write the SC Withholding File Number and quarter in the memo.
Refund: if line 2 is greater than line 1, enter the amount of refund; skip lines 4-6.
Amended return: for amended return, include amount paid with original WH-1605.
Online: do not mail this form when filing online.
| Question | Answer |
|---|---|
| Form Name | WH-1605 |
| Form Length | 3 pages |
| Fillable? | No |
| Fillable fields | 0 |
| Avg. time to fill out | 9 min |
| Edition | Rev. 8/29/23 |
| Issuing agency | South Carolina Department of Revenue |
| Where to send | Balance due: SCDOR, Withholding, PO Box 100161, Columbia, SC 29202; refunds or zero tax: SCDOR, Withholding, PO Box 125, Columbia, SC 29214-0004 |
| Matches the agency's file | Yes, checked October 4, 2026 |
| Other names | WH-1605, WH1605, WH 1605, SC WH-1605, SC Withholding Quarterly Tax Return |
| Official source | WH-1605 (Rev 8/29/23), South Carolina Department of Revenue |
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