505SU: Nonresident Subtractions (2024)
Maryland · Comptroller of Maryland · Used for tax years 2024
Maryland Form 505SU reports subtractions from income for your 2024 nonresident tax return. It lists income and expense items that may qualify for subtraction and is attached to your nonresident return.
Who files this form
Use Form 505SU with your Maryland nonresident tax return to claim the subtractions from income listed on the form.
- Part I: Listed items included in your federal adjusted gross income.
- Part II: Listed items that apply to your Maryland income. Prorate these subtractions to include only the portion attributable to Maryland.
- Part III: Your share of Maryland subtractions from a pass-through entity or fiduciary.
The form refers you to Instruction 13 in the Nonresident Booklet for more information about which subtractions apply.
What you'll need
The documents you need depend on the subtractions you claim:
- Form 500DM: Complete and attach it for lines bb, cc, cd, dm, or dp.
- Form 502AE: Complete and attach it for qualifying artist income from arts and entertainment districts on line dd.
- Form 502AC: Complete and attach it for a deductible artist's contribution on line m.
- Form 502V: Complete and attach it for unreimbursed charitable travel expenses on line q.
- Student loan discharge notice: Attach it for line nn.
- Certification copies: Attach them for certain agricultural equipment costs on line l, farm products donated to a gleaning cooperative on line o, or the volunteer personnel subtraction on line va.
- Donation documentation: Attach it for the qualifying donations claimed on line xx.
Other information used on the form includes your W-2 for the official-vehicle amount on line j, Maryland Schedule K-1 (510/511) for line b, and your Maryland Cannabis Administration business license or registration number for line yb.
How to file
Attach Form 505SU to your nonresident tax return. If completing the form by hand, print using blue or black ink only.
Add the subtotals from Parts I, II, and III on line 4. Enter that total on line 23 of Form 505 as well.
The supplied form text does not give a mailing address or e-filing directions.
Common mistakes
- Claiming Part I amounts not included in federal adjusted gross income: Part I applies only to the extent the listed items are included in that income.
- Skipping proration for Part II: Include only the portion of the subtraction attributable to Maryland.
- Leaving out required attachments: Complete and attach the forms, notices, certifications, or documentation requested for the lines you claim.
- Forgetting to transfer the total: Enter the line 4 total on line 23 of Form 505.
- Submitting the form separately: The form says to attach it to your nonresident tax return.
Questions people ask
How much military retirement income can I subtract for 2024?
If you are at least 55 on the last day of the taxable year, line u allows up to $20,000 of military retirement income received during the year. If you are under 55 on that day, the limit is $12,500. Part I applies only to amounts included in federal adjusted gross income.
Can I subtract Social Security or Railroad Retirement benefits?
Line t lists Social Security, Tier I, Tier II, and supplemental Railroad Retirement benefits included in your federal adjusted gross income.
Is there a subtraction when both spouses have Maryland income?
Yes. If both spouses have income subject to Maryland tax and file a joint return, line w allows the lesser of $1,200 or the income subject to Maryland tax of the spouse with the lower income.
Can I subtract any distribution from a Maryland ABLE account?
Line xc lists distributions to a designated beneficiary from a Maryland ABLE account, but excludes refunds and non-qualified distributions. As a Part I item, the subtraction applies only to the extent the distribution is included in federal adjusted gross income.