ADOR is aware that some small business income taxpayers received a billing notice even though their overpayment individual income tax return is larger than the tax due small business income return. Please be advised that the Department is working to resolve the issue as soon as possible.
Customer Notice: To schedule an appointment, please contact us at [email protected].
Filed by individuals, corporations, and partnerships to claim the Additional Credit for Increased Research Activities for Basic Research Programs.
Form Year | Form | Instructions | Published |
---|---|---|---|
2022 |
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01/01/2023 |
2021 |
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01/01/2022 |
2020 |
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01/01/2021 |
2019 |
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01/01/2020 |
2018 |
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01/01/2019 |
2017 |
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01/01/2018 |
2016 |
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01/01/2017 |
2015 |
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01/01/2016 |
2014 |
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01/01/2015 |
2013 |
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01/01/2014 |
2012 |
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01/01/2013 |