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How to use or fill out IT-558 with our platform
- Click ‘Get Form’ to open IT-558 in the editor.
- Begin by completing Schedule A, Part 1. Enter your New York State addition adjustments applicable to you as an individual, partnership, estate, or trust on lines 1a through 1g.
- For partners, shareholders, and beneficiaries, complete Part 2 of Schedule A. Enter the name and Social Security number (SSN) or employer identification number (EIN) as required.
- Proceed to Schedule B for subtraction adjustments. Fill out Part 1 for individuals and entities by entering the relevant subtraction adjustment numbers on lines 10a through 10g.
- In Part 2 of Schedule B, report any subtraction adjustments provided by your entity. Ensure all entries are accurate to avoid disallowance.
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