| Form 2101 | W-2 Withholding Declaration | 02/23/2012 |
| Form 2441-M | Child-Dependent Care Expense Deduction | 07/24/2012 |
| Form AEPC | Alternative Energy Production Credit | 07/24/2012 |
| Form AFCR | Alternative Fuel Credit | 03/26/2012 |
| Form AMD | Montana Individual Income Tax Amended Return Reconciliation | 04/10/2012 |
| Form BBSC | Biodiesel Blending-Storage Credit | 04/16/2012 |
| Form CC | College Contribution Credit | 03/26/2012 |
| Form CLT-4 | Corporation License Tax Return | 12/19/2012 |
| Form CLT-4S | S-Corporation Information-Composite Tax Return | 12/19/2012 |
| Form CLT-4-UT | Underpayment of Estimated Tax | 05/08/2012 |
| Form CT-V | Corporation License Tax Payment Form | 12/20/2012 |
| Form DCAC | Dependent Care Assistance Credits | 05/02/2012 |
| Form DER-1 | Disregarded Entity Information Return | 10/25/2012 |
| Form DS-1 | Disability Income Exemption | 07/25/2012 |
| Form ECC | Elderly Care Credit | 07/24/2012 |
| Form ENRG-A | Geothermal System Credit | 03/22/2012 |
| Form ENRG-B | Alternative Energy System Credit | 11/13/2012 |
| Form ENRG-C | Energy Conservation Installation Credit | 12/21/2012 |
| Form ESA | Estimated Tax Annualization Worksheet | 01/03/2012 |
| Form ESL | Extension of Statute of Limitations | 05/09/2012 |
| Form EST-I | Underpayment of Estimated Tax by Individuals-Fiduciaries | 08/15/2012 |
| Form ESW | Montana Individual Estimated Income Tax Worksheet | 10/10/2012 |
| Form ESW-FID | Montana Fiduciary Estimated Income Tax Worksheet | 01/04/2012 |
| Form EXT | Extension Payment Worksheet | 01/17/2013 |
| Form EXT-FID | Extension Payment Worksheet | 01/17/2013 |
| Form FID-3 | Estates-Trusts (Fiduciary) Income Tax Return | 12/28/2012 |
| Form FID-3-Sch K-1 | Beneficiary's Share of Income (Loss), Deductions, Credits, etc | 12/19/2012 |
| FID-3-Wksts I-II | Credit for Income Tax Liability Paid to Another State or Country - Full-year Resident Only-Part-year Resident Only | 09/06/2012 |
| Form FID-V | Estates-Trusts (Fiduciary) Income Tax Payment Form | 12/20/2012 |
| Form-2 | Montana Individual Income Tax Return (Long Form) | 12/28/2012 |
| Form-2 Sch I | Montana Additions to Federal Adjusted Gross Income | 12/19/2012 |
| Form-2 Sch II | Montana Subtractions to Federal Adjusted Gross Income | 12/19/2012 |
| Form-2 Sch III | Montana Itemized Deductions | 12/19/2012 |
| Form-2 Sch IV | Non-resident/Part-year Resident Tax | 12/19/2012 |
| Form-2 Sch V | Montana Tax Credits | 12/19/2012 |
| Form-2 Sch VIII | Reporting of Special Transactions | 12/19/2012 |
| Form-2 Sch VI-VII | Credit for Income Tax Liability Paid to Another State or Country - Full-year Resident Only-Part-year Resident Only | 12/28/2012 |
| Form-2 Wkst II | Tax Benefit Rule for Federal Income Tax Refund | 12/03/2012 |
| Form-2 Wkst III-IV | Qualified Capital Gain Exclusion-Partial Pension-Annuity Income Exclusion | 12/03/2012 |
| Form-2 Wkst IX | Tax Benefit Rule for Recoveries of Itemized Deductions | 07/25/2012 |
| Form-2 Wkst V | Standard Deduction | 12/03/2012 |
| Form-2 Wkst VI | Qualified Mortgage Insurance Premiums Deduction | 12/03/2012 |
| Form-2 Wkst VII | Calculation of Interest on Underpayment of Estimated Taxes | 07/24/2012 |
| Form-2 Wkst VIII | Taxable Social Security Benefits | 07/24/2012 |
| Form-2EC | Montana Elderly Homeowner/Renter Credit | 12/19/2012 |
| Form-2EZ | Montana Individual Income Tax Return (Short Form) | 12/19/2012 |
| Form-2M | Montana Individual Income Tax Return (Intermediate Form) | 12/19/2012 |
| Form-2M-Wkst | Worksheets (Worksheet II for 2011 was updated on 02/06/2012 to reflect a correction to line 10.) | 12/03/2012 |
| Form FPC | Film Production Credit | 04/12/2012 |
| Form FPC-AF | Film Production Credit Application Fee | 02/09/2012 |
| Form FPC-PP | Film Production Credit - Submission of Costs - End of Principal Photography | 10/10/2012 |
| Form FPC-RD | Film Production Credit Residency Declaration | 10/10/2012 |
| Form FRM | Farm-Ranch Risk Management Account | 10/10/2012 |
| Form FTB | First Time Home Buyer Savings Account | 07/24/2012 |
| Form HI | Health Insurance for Uninsured Montanans Credit | 10/10/2012 |
| Form INA-CT | Affidavit of Corporate Inactivity | 03/23/2012 |
| Form IND | Tribal Member Certification | 08/15/2012 |
| Form IT-V | Individual Income Tax Payment Voucher (Use this form for estimated tax, extension, or amended return payments. | 12/20/2012 |
| Form MHPE | Mobile Home Park Exclusion | 07/25/2012 |
| Form MINE-CERT | Application-Affidavit for Certification-Approval of Mineral-Coal Exploration Incentive Credits | 10/10/2012 |
| Form MINE-CRED | Mineral-Coal Exploration Incentive Credit | 08/08/2012 |
| Form MSA | Montana Medical Care Savings Account | 07/24/2012 |
| Form NEXUS | Nexus Questionnaire | 10/10/2012 |
| Form NOL | Montana Net Operating Loss | 11/13/2012 |
| Form NOL-Pre-99 | Net Operating Loss Worksheet | 04/12/2012 |
| Form NR-1 | North Dakota Reciprocal Affidavit | 10/17/2012 |
| Form NR-2 | Employee Certificate of North Dakota Residence | 05/16/2012 |
| Form OSC | Oil Seed Crushing-Biodiesel/Biolubricant Production Facilities Credit | 01/11/2013 |
| Form PR-1 | Partnership Information-Composite Tax Return | 12/19/2012 |
| Form PR-V | Partnership Tax Payment Voucher | 12/20/2012 |
| Form PT-AGR | Pass-through Entity Owner Tax Agreement | 11/01/2012 |
| Form PT-STM | Second Tier Pass-through Entity Owner Statement | 11/01/2012 |
| Form QEC | Qualified Endowment Credit | 12/27/2012 |
| Form RCYL | Recycling Credit/Deduction | 07/30/2012 |
| Form RDF-CT | Application to be Considered a Research-Development Firm | 04/30/2012 |
| Form SB-V | Small Business Corporation Tax Payment Voucher | 12/20/2012 |
| Form TELC | Temporary Emergency Lodging Credit | 10/10/2012 |
| Form VT | Veterans Program Contribution-Deduction | 10/10/2012 |
| Form WE-ELECT | Water's Edge Election | 04/05/2012 |
