| Form 454 | Oklahoma Estate Form Packet - Estate Tax has beenrepealed for deaths occurring on or after January 1, 2010. | 04/01/2011 |
| Form 500 | Information Return | 11/29/2011 |
| Form 501 | Annual Information Return (reconciliation for Forms 500,500A and 500B) | 11/29/2011 |
| Form 504 | Application for Extension of Time to File | 11/29/2012 |
| Form 505 | Injured Spouse Claim and Allocation (not to be filed with the return) | 12/10/2012 |
| Form 506 | Investment/Jobs Credit (you will also need Form 511CR) | 11/29/2012 |
| Form 507 | Statement of Person Claiming Refund Due a Deceased Taxpayer (not to be filed with return) | 12/03/2012 |
| Form 511 | Individual Resident Income Tax Return | 01/10/2013 |
| Form 512 | Corporate Income Tax Return (form and schedules) | 01/24/2013 |
| Form 512-Cons | Corporate Income Tax Return Consolidated | 01/24/2013 |
| Form 512-Subs | Corporate Income Tax Return Consolidated Subsidiaries Schedules | 12/27/2012 |
| Form 512-TI | Corporate Income Tax Return Consolidated Taxable Income | 01/07/2013 |
| Form 526 | Rural Small Business Capital Company Information Report | 10/17/2011 |
| Form 527 | Small Business Capital Company Information Report | 10/17/2011 |
| Form 528 | Agricultural Exclusion Information Return | 11/29/2012 |
| Form 529 | Small Business Guarantee Fee Credit (you will also need Form 511CR) | 11/29/2012 |
| Form 561 | Capital Gain Deduction (for residents filing Form 511) | 01/07/2013 |
| Form 562 | Film or Music Project Credit (you will also need Form 511CR) | 11/29/2012 |
| Form 563 | Research and Development New Jobs Credit (you will also need Form 511CR) | 11/29/2012 |
| Form 564 | Credit for Employees in the Aerospace Sector (you will also need Form 511CR) | 11/29/2012 |
| Form 565 | Credits for Employers in the Aerospace Sector (you will also need Form 511CR) | 11/29/2012 |
| Form 569 | Reporting Form for the Transfer or Allocation of a Tax Credit | 11/29/2012 |
| Form 572 | Transfer Agreement for Income Tax or Insurance Premium Tax Credit | 11/29/2012 |
| Form 573 | Farm Income Averaging | 11/29/2012 |
| Form 574 | Nonresident/Resident Allocation | 02/08/2013 |
| Form 580 | Computer Industry Credit | 10/25/2011 |
| Form 599 | Request for Copy of Income Tax Return | 06/19/2012 |
| Form 454-A | Affidavit of Surviving Spouse | 12/09/2005 |
| Form 454-N | Simplified Nontaxable Affidavit | 05/19/2008 |
| Form 500A | Information Return - Production Payments | 11/29/2011 |
| Form 511 BAT | Oklahoma Business Activity Tax - for Individuals Who Have A Sole Proprietorship or Report Farm Income | 11/07/2012 |
| Form 511 NOL | Oklahoma Net Operating Loss - Full Year Residents Only | 11/29/2011 |
| Form 511 NOL-NR | Oklahoma Net Operating Loss(es) - Nonresident/Part-Year Resident Only | 11/29/2011 |
| 511 Packet | Individual Resident Income Tax Return Packet (instructions, forms and tables) | 12/07/2012 |
| Form 511CR | Schedule for Other Credits | 11/07/2012 |
| Form 511EF | Individual Income Tax Declaration for Electronic Filing | 11/29/2012 |
| Form 511NR | Individual Nonresident/Part-Year Income Tax Return | 01/10/2013 |
| 511NR Packet | Individual Nonresident/Part-Year Income Tax Return Packet (instructions, forms and tables) | 12/07/2012 |
| Form 511TX | Oklahoma Credit for Tax Paid to Another State | 11/07/2012 |
| Form 511-V | Oklahoma Individual Income Tax Payment Voucher | 11/29/2012 |
| Form 511X | Amended Resident Individual Income Tax Return for Tax Year 2012 | 01/14/2013 |
| 512 Packet | Corporate Income Tax Return Packet (form and instructions) | 12/07/2012 |
| Form 512E | Return of Organization Exempt from Income Tax | 11/19/2012 |
| 512S Packet | Small Business Corporate Tax Return Packet (form and instructions) | 12/07/2012 |
| Form 512X | Amended Corporate Income Tax Return | 12/10/2012 |
| 513 Packet | Fiduciary Resident Income Tax Return Packet (form, instructions and tables) | 12/07/2012 |
| 513NR Packet | Fiduciary Nonresident Income Tax Return Packet (form, instructions and tables) | 12/07/2012 |
| 514 Packet | Partnership Information Return Packet (form and instructions) | 02/06/2013 |
| Form 538H | Credit for Refund of Property Taxes (low income taxpayers) | 11/07/2012 |
| Form 538S | Sales Tax Refund | 09/12/2012 |
| Form 561C | Capital Gain Deduction (for corporations filing Form 512) | 01/15/2013 |
| Form 561F | Capital Gain Deduction (for trusts and estates filing Form 513) | 12/10/2012 |
| Form 561NR | Capital Gain Deduction (for part-year and nonresidents filing Form 511NR) | 01/07/2013 |
| Form 561NR-F | Capital Gain Deduction (for trusts and estates filing Form 513NR) | 12/10/2012 |
| Form 561P | Capital Gain Deduction (for nonresident partner included in Composite Return - Form 514, Part 1) | 01/07/2013 |
| Form 561S | Capital Gain Deduction (for nonresident shareholders whose income is reported on Form 512-S, Part 1) | 01/07/2013 |
| Form 567-A | Credit for Investment in a Clean-Burning Motor Vehicle Fuel Property | 11/29/2012 |
| Form A-100 | Disclosure of Tax Information Authorization | 07/17/2012 |
| Form BT129 | Oklahoma Power of Attorney Form | 05/25/2006 |
| Form EF | Oklahoma Income Tax Declaration for Electronic Filing (for Form 512 or 512-S) | 11/29/2012 |
| Form EF-V | Business Filers Income Tax Payment Voucher (for Form 512 or 512-S) | 11/29/2012 |
| Form G-141 | Transmittal of Tax Returns Reported on Magnetic Media | 02/08/2012 |
| Form OW-8-ES | Estimated Tax Declaration for Individuals (for tax year 2012) | 11/28/2011 |
| Form OW-8-ES-2013 | Estimated Tax Declaration for Individuals (for tax year 2013) | 11/29/2012 |
| Form OW-8-ESC-2013 | Estimated Tax Declaration for Corporations- 2013 | 11/29/2012 |
| Form OW-8-ESC | Estimated Tax Declaration for Corporations- 2012 | 11/28/2011 |
| Form OW-8-ES-SUP | Annualized Estimated Tax Worksheet (for tax year 2013) | 11/29/2012 |
| Form OW-8-P | Worksheet for Underpayment of Estimated Tax | 11/29/2012 |
| Form OW-8-P-SUP-C | Annualized Income Installment Methods for Corporations and Trusts | 11/29/2012 |
| Form OW-8-P-SUP-I | Oklahoma Annualized Income Installment Method for Individuals | 11/29/2012 |
| Form OW-9-MSE | Annual Withholding Tax Exemption Certification For Military Spouse | 12/03/2010 |
| Packet S | Application for Settlement of Tax Liability | 07/17/2012 |