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The New York State Tax Form IT-201-ATT, officially known as the "Other Tax Credits and Taxes Attachment to Form IT-201," is a supplemental document used in conjunction with the IT-201 form, which is the State's resident income tax return. This form allows taxpayers to declare additional tax credits they may be eligible for and other taxes owed that are not included on the standard IT-201. This attachment is crucial for ensuring that taxpayers accurately report all their credits and liabilities, thereby securing proper tax filings in line with state regulations.
To use Form IT-201-ATT effectively, taxpayers must first complete their primary Form IT-201. Once this is done, they should refer to the instructions provided with IT-201-ATT to properly claim any additional credits. The form includes various sections for different credits and taxes, and individuals should carefully enter their information to avoid miscalculations or missed credits. Importantly, the IT-201-ATT facilitates adjustments to taxable income based on specific deductions and credits for which an individual qualifies.
Eligibility to use Form IT-201-ATT is primarily determined by a taxpayer’s need to claim additional credits or report supplemental taxes. Any New York resident filing IT-201 who has qualifying credits or additional taxes that need to be declared must use this form.


Legally, individuals are obligated to use Form IT-201-ATT when their financial situation dictates its necessity, such as requiring additional credits outside the scope of the IT-201 alone or needing to report certain additional taxes. Non-compliance in completing required state tax forms may lead to penalties or audits. The accurate and honest completion of this form ensures legal compliance with New York State tax laws.
The IT-201-ATT, as an attachment to the IT-201, follows the same filing deadline. Typically, this is April 15th each year, unless the date falls on a weekend or public holiday, in which case the due date would be the next business day. Specific circumstances, such as military service or residing outside the U.S., may afford extended deadlines, but these must be observed according to state guidelines.
Failing to submit Form IT-201-ATT when required can lead to financial penalties and complications. Consequences may include:
Taxpayers should carefully abide by the form requirements to avoid these negative outcomes.
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| Versions | Form popularity | Fillable & printable |
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| 2025 | 4.3 Satisfied (30 Votes) | |
| 2024 | 4.4 Satisfied (26 Votes) | |
| 2023 | 4 Satisfied (57 Votes) | |
| 2022 | 4.4 Satisfied (28 Votes) | |
| 2021 | 4.8 Satisfied (132 Votes) | |
| 2020 | 3.8 Satisfied (44 Votes) | |
| 2019 | 4 Satisfied (31 Votes) | |
| 2018 | 4.4 Satisfied (138 Votes) | |
| 2017 | 4.4 Satisfied (109 Votes) | |
| 2012 | 4.4 Satisfied (303 Votes) |
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