| 2026 IB-44 Installment Payment |
| 2026 IB-54 Installment Payment |
| Article 3B - Business and Energy Credits: Credit for Constructing Renewable Fuel Facilities Processed During Calendar Year 2023 |
| Article 3B - Business and Energy Credits: Credit for Constructing Renewable Fuel Facilities Processed During Calendar Year 2024 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2010 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2011 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2012 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2013 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2014 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2015 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2016 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2017 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2018 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2019 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2020 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2021 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2022 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2023 |
| Article 3B - Business and Energy Credits: Credit for Investing in Renewable Energy Property Processed During Calendar Year 2024 |
| corp rules and bulletins 2003 and 2004 |
