Due Dates

 
Tax Type Form Due
Commercial Activity Tax
CAT 12 - Annual
Due May 10
CAT Q - Quarterly
Due May 10 – 1st quarter
Due August 10 – 2nd quarter
Due November 10 – 3rd quarter
Due February 10 – 4th quarter

Corporate Franchise FT 1120
E/ER/EX
1st Est Payment: 1/31/13
2nd Est. Payment: 3/31/13
3rd Est. Payment: 5/31/13
Individual Income IT 1040
IT 1040EZ

Annually

2012: 4/15/13
2013: 4/15/14

IT 1040ES
SD 100ES

Quarterly

4th Est. Payment 2012: 1/15/13
1st Est Payment 2013: 4/15/13
2nd Est. Payment 2013: 6/17/13
3rd Est. Payment 2013: 9/16/13
4th Est. Payment 2013: 1/15/14

Employer Withholding IT 501
SD 101

Quarterly
Last day of the following month
IT 501
SD 101

Monthly
15 day of the following month
IT 501
Partial Week
See Attachment
IT 941
SD 141

Annually
Jan-31
IT 3
Annually
Feb-28
Sales UST Monthly
UST Semi- Annual

23 day of the following month
Jan - 1 - Jun - 30 is due July-23
Jul - 1 - Dec - 31 is due Jan-23

UUT 1 Monthly
UUT 1 Quarterly
23 day of the following month
23 day of the following month following the close of the reporting period

 

Note: All dates above are the date due unless it falls on a weekend or holiday.  If so, the due date is the next business day. For example: January 2013 Sales Tax, which is normally due on February 23rd is due February 25th, 2013 since the 23rd falls on Saturday.

  
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