502SU: Maryland Subtractions from Income (2024)
Maryland · Comptroller of Maryland · Used for tax years 2024
Maryland Form 502SU reports subtractions from income for your 2024 tax return. It lists amounts for applicable income, expenses, contributions and other subtraction items and is attached to your tax return.
Who files this form
Use the 2024 Maryland Form 502SU to report the subtractions from income listed on the form that apply to you. Attach it to your tax return and carry the total to line 13 of Form 502.
The form includes subtractions for certain retirement income, education savings contributions, adoption, qualifying expenses and other listed income. It directs you to Instruction 13 in the Resident Booklet for more information.
What you'll need
Depending on the subtraction you claim, the form calls for these records or attachments:
- Keogh plan benefits, line f: Attach a statement for benefits on which state income tax was paid before 1967.
- Certifications: Attach a copy for enhanced agricultural management equipment (line l), farm products donated to a gleaning cooperative (line o), or the volunteer police, fire, rescue and emergency medical services program (line va).
- Additional forms: Complete and attach Form 502AC for an artist’s contribution, Form 502V for unreimbursed vehicle travel expenses, or Form 502AE for qualifying artist income from arts and entertainment districts.
- Decoupling subtractions: Complete and attach Form 500DM for lines bb, cc, cd, dm and dp, as applicable.
- Student loan debt discharged, line nn: Attach the notice.
- Qualifying donations, line xx: Attach documentation for the listed diaper, hygiene product and monetary donations.
The form also refers to your W-2 for official vehicle income, Form 1099R for state retirement pickup contributions, and the worksheet in Instruction 13 for the overseas military subtraction. For line yb, enter the Maryland Cannabis Administration business license or registration number.
How to file
- Enter your name and Social Security number, and your spouse’s information in the spaces provided. Enter your name and SSN on pages 2 and 3 as well.
- Determine which subtractions apply to you and enter the amounts on the corresponding lines. If printing, use blue or black ink only.
- Complete and attach any required supporting forms, certifications, notices or other documentation.
- Add lines a through ye. Enter the total on line 1 of Form 502SU and on line 13 of Form 502, with the appropriate code letters.
- Attach Form 502SU to your tax return.
The supplied form does not give a mailing address or e-filing instructions.
Common mistakes
- Leaving out the attachment: The form says to attach Form 502SU to your tax return.
- Missing supporting documents: Follow the printed reminders to attach required statements, certifications, notices, documentation and additional forms.
- Using the wrong ink: The form specifies blue or black ink only.
- Missing the transfer to Form 502: Enter the total on Form 502, line 13, with the appropriate code letters.
- Combining homebuyer savings amounts incorrectly: Enter contributions without interest on line ww1, interest on line ww2, and their sum on line ww.
Questions people ask
How much military retirement income can I subtract for 2024?
Line u allows up to $20,000 of military retirement income received during the taxable year if you are at least 55 on the last day of the year. If you are under 55 on that day, the limit is $12,500.
What adoption amounts are listed?
Line k lists $12,000 for adoption of a child with a special need under the SSA, or $10,000 for adoption of a child without a special need.
Is there a subtraction for classroom supplies?
Line tt lists up to $250 of certain unreimbursed expenses paid or incurred by a full-time K-12 teacher for certain classroom supplies.
Can I subtract every distribution from a Maryland ABLE account?
Line xc covers amounts included in federal adjusted gross income from a distribution to a designated beneficiary from a Maryland ABLE account. It excludes refunds and non-qualified distributions.