| Form 1027 | Application for Automatic Extension of Time to File a Delaware Individual Income Tax Return | 01/24/2013 |
| Form 1089 | Request for Blank Forms (Bulk) | 01/24/2013 |
| Form 1100 | Corporate Income Tax Return | 01/28/2013 |
| Form 1100CR0101 | Computation Schedule for Claiming Delaware Economic Development Credits | 01/28/2013 |
| Form 1100-EXT-2011 | Corporation Income Tax - Request For Extension - Calendar Year 2011 and Fiscal Years Ending in 2012 | 01/29/2013 |
| Form 1100-EXT-2012 | Corporation Income Tax - Request For Extension - Calendar Year 2012 and Fiscal Years Ending in 2013 | 01/29/2013 |
| Form 1100EZ | Corporate Income Tax EZ Return | 01/28/2013 |
| 1100-Inst | Corporate Income Tax Return - Instructions | 12/10/2012 |
| Form 1100P-1 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - First Quarter | 02/07/2012 |
| Form 1100P-2 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - Second Quarter | 02/07/2012 |
| Form 1100P-3 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - Third Quarter | 02/07/2012 |
| Form 1100P-4 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - Fourth Quarter | 02/07/2012 |
| Form 1100P-EXT | S Corp Personal Income Tax - Request For Extension - CY 2012 and FY Ending 2013 | 02/07/2012 |
| Form 1100S | S Corporation Reconciliation And Shareholders Return | 01/28/2013 |
| Form 1100S-EXT-2011 | S Corporation Income Tax - Request For Extension - Calendar Year 2011 and Fiscal Years Ending in 2012 | 01/29/2013 |
| Form 1100S-EXT-2012 | S Corporation Income Tax - Request For Extension - Calendar Year 2012 and Fiscal Years Ending in 2013 | 01/29/2013 |
| 1100S-Inst | S Corporation Reconciliation And Shareholders Return - Instructions | 12/10/2012 |
| Form 1100T-1 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - First Quarter | 02/07/2012 |
| Form 1100T-2 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - Second Quarter | 02/07/2012 |
| Form 1100T-3 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - Third Quarter | 02/07/2012 |
| Form 1100T-4 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - Fourth Quarter | 02/07/2012 |
| Form 1100T-EXT | Corporate Tentative Tax - Request For Extension - CY 2012 and FY Ending 2013 | 02/07/2012 |
| Form 1100T-REQ | Corporate Tentative Tax - Request For Change - CY 2012 and FY Ending 2013 | 02/07/2012 |
| Form 1100X | Corporate Income Tax Return - Amended | 01/28/2013 |
| Form 1268-LA2 | Affiliated Finance Company - Business License Application/Renewal | 01/28/2013 |
| Form 1280 | Contractors - Statement of Payments Made to Subcontractors | 06/19/2009 |
| Form 1280-DEV | Contractors - Deductions for Amounts Paid to Subcontractors | 09/23/2008 |
| Form 1800M | Alcoholic Beverage Manufacturers Tax Return | 04/27/2009 |
| Form 1801AC0009 | Tax Credits - Land and Historic Resource Conservation - Application and Computation Schedule | 01/28/2013 |
| Form 1811AC0905 | Tax Credits - Historic Preservation - Application and Computation Schedule | 01/28/2013 |
| Form 1811CC0701 | Tax Credits - Certification of Unused Delaware Historic Preservation Tax Credits | 01/28/2013 |
| Form 1902(ap) | Application for Exemption from Corporate Income Tax - Holding Company | 01/06/2012 |
| Form 1902(b) | Holding Company/Investment Company Return | 01/29/2013 |
| Form 200-01 | Delaware Individual Resident Income Tax Form | 01/14/2013 |
| 200-01-Bklt | Delaware Individual Resident Income Tax Booklet | 01/14/2013 |
| 200-01-Inst | Instructions for Delaware Individual Resident Income Tax Return | 01/14/2013 |
| 200-02-Bklt | Delaware Non-Resident Individual Income Tax Booklet | 01/14/2013 |
| 200-02-Inst | Instructions for Delaware Non-Resident Individual Income Tax Return | 01/14/2013 |
| Form 2001AC0104 | Tax Credits - Neighborhood Assistance - Application and Computation Schedule | 01/28/2013 |
| Form 200C | Delaware Composite Return | 01/24/2013 |
| Form 200ES-1E | Estimated Income Tax Voucher - First Quarter | 01/31/2013 |
| Form 200ES-2E | Estimated Income Tax Voucher - Second Quarter | 01/31/2013 |
| Form 200ES-3E | Estimated Income Tax Voucher - Third Quarter | 01/31/2013 |
| Form 200ES-4E | Estimated Income Tax Voucher - Fourth Quarter | 01/31/2013 |
| Form 200ES-EXT | Delaware Estimated Tax Request For Extension Voucher | 01/31/2013 |
| Form 200V | Payment Voucher for Balance Due on Electronically Filed 200-01, 200-02 or 200-03EZ | 01/24/2013 |
| Form 2070AC0007 | Tax Credits - Delaware Research and Development - Application and Computation Schedule | 01/28/2013 |
| Form 2080DE | Tax Credits - New Economy Jobs Program - Application | 04/01/2010 |
| Form 209 | Claim for Refund of Deceased Taxpayer | 01/24/2013 |
| Form 300 | Delaware Partnership Return | 01/24/2013 |
| 300 Schd K-1 | Partners Share of Income Form | 01/24/2013 |
| 300-Inst | Partnership Return - Instructions | 01/30/2013 |
| Form 329 | Special Tax Computation for Distribution from Qualified Retirement Plan | 01/24/2013 |
| Form 400 | Delaware Fiduciary Income Tax Return | 01/30/2013 |
| 400 Schd K-1 | Beneficiary's Information Form For Delaware Fiduciary Income | 01/30/2013 |
| Form 400-ES | Declaration of Estimated Tax Return and Instructions | 01/29/2013 |
| 400-Inst | Instructions for Delaware Fiduciary Income Tax Return | 01/30/2013 |
| Form 5060 | Contractors - Statement of Contracts Awarded | 12/19/2012 |
| Form 5403 | Real Estate Tax Return - Declaration of Estimated Income Tax | 01/10/2011 |
| Form 5506CPE-2012 | Exemption from Public Utility Tax on Cell Phones | 11/09/2011 |
| Form 5506CPE-2013 | Exemption from Public Utility Tax on Cell Phones | 12/07/2012 |
| Form 700 | Income Tax Credit Schedule | 02/12/2013 |
| Form 800 | Business Income of Non-Resident | 01/24/2013 |
| Form 8453 | Individual Income Tax Declaration for Electronic Filing | 01/24/2013 |
| Form 8453OL | Individual Income Tax Declaration for Online Filing | 01/24/2013 |
| Form 8821DE | Authorization to Release Tax Information | 01/25/2008 |
| Form IRA | Special Tax Computation Form | 01/30/2013 |
| Schd-W | Apportionment Worksheet for Delaware Sourced Income Earned Outside Delaware | 01/24/2013 |
| Form W1 9301-2013 | Withholding Tax - Monthly Reporting Form - Tax Period Ending in 2013 | 02/05/2013 |
| Form W1A-8-Apr-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in April 2013 | 02/05/2013 |
| Form W1A-8-Aug-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in August 2013 | 02/05/2013 |
| Form W1A-8-Dec-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in December 2013 | 02/05/2013 |
| Form W1A-8-Feb-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in February 2013 | 02/05/2013 |
| Form W1A-8-Jan-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in January 2013 | 02/05/2013 |
| Form W1A-8-Jul-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in July 2013 | 02/05/2013 |
| Form W1A-8-Jun-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in June 2013 | 02/05/2013 |
| Form W1A-8-Mar-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in March 2013 | 02/05/2013 |
| Form W1A-8-May-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in May 2013 | 02/05/2013 |
| Form W1A-8-Nov-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in November 2013 | 02/05/2013 |
| Form W1A-8-Oct-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in October 2013 | 02/05/2013 |
| Form W1A-8-Sept-2013 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in September 2013 | 02/05/2013 |
| Form W1Q 9701-2012 | Withholding Tax - Quarterly Reporting Form - Tax Period Ending in 2012 | 12/28/2011 |
| Form W1Q 9701-2013 | Withholding Tax - Quarterly Reporting Form - Tax Period Ending in 2013 | 02/05/2013 |
| Form W-3 9801-2012 | Withholding Tax - Monthly/Quarterly Annual Reconciliation - Tax Period Ending in 2012 | 12/28/2011 |
| Form W-3 9801-2013 | Withholding Tax - Monthly/Quarterly Annual Reconciliation - Tax Period Ending in 2013 | 02/05/2013 |
| Form W3-W29801-2012 | Withholding Tax - 8th-Monthly Annual Reconciliation - Tax Period Ending in 2012 | 12/28/2011 |
| Form W3-W29801-2013 | Withholding Tax - 8th-Monthly Annual Reconciliation - Tax Period Ending in 2013 | 02/05/2013 |
| Form W-4 | Withholding Tax - Allowance Computation Worksheet - Resident | 01/28/2013 |
| Form W-4DE | Withholding Exemption Certificate for Military Spouse | 01/25/2010 |
| Form W-4-NR | Withholding Tax - Allowance Computation Worksheet - Non-Resident | 01/28/2013 |
| Form WREQ | Withholding Tax - Request for Change Form | 12/28/2011 |