Maryland Form 502SU

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What Is Maryland Form 502SU

The Maryland Form 502SU is a state-specific tax form used by Maryland taxpayers to report subtractions from income. These subtractions can be crucial, as they can significantly reduce a taxpayer's taxable income, leading to potential savings during the tax season.

Why is Form 502SU important

When discussing tax form 502SU, it's crucial to understand its significance. This form aids taxpayers in making sure they're not overpaying their state taxes. By accurately reporting and calculating subtractions, you ensure that you're only paying taxes on income that's genuinely taxable under Maryland law.

Who needs to use Maryland tax form 502SU

Not every Maryland resident will need to use the MD tax form 502SU. However, if you have specific income sources or financial situations that qualify for subtractions under Maryland tax laws, this form becomes a necessary component of your tax filing process.

How to Fill Out MD Form 502SU: A Step-by-Step Guide

MD Form 502SU screenshot

Filling out tax forms can be a bit intimidating, especially if you're unfamiliar with the specific document. The MD Form 502SU, used by Maryland taxpayers to report subtractions from income, is no exception. This guide will break down the process step by step to help you complete it accurately.


  • Have your supporting financial documents on hand, like W-2s, 1099s, and other relevant financial statements.
  • Download or obtain a physical copy of MD Form 502SU from the official website of the Maryland Comptroller or a local tax office.

Step-by-Step Process:

Identification: Start by filling in your name and Social Security Number (SSN) at the top of the form. If you're filing jointly, also include your spouse's name and SSN.

Qualifying Subtractions: Go through the list of subtractions available on the form. These can include certain types of pension exclusions, military income, and other specific types of income that Maryland allows you to subtract from your total income.

Line-by-Line Instructions:

  • Line 1 – Enter the total amount of pension exclusion, if applicable. Usually, there are age and income requirements to consider.
  • Line 2 – For military personnel, report military income that is being subtracted from your total income here.
  • Line 3 – If you have income from another state that's being taxed by Maryland, you can subtract that amount here to avoid double taxation.
  • Lines 4-12 – These lines may correspond to specific subtractions allowed by the Maryland tax code. Carefully read each line's description and consult the instruction booklet, if available, to determine your eligibility for each subtraction.
  • Line 13 – Total the amounts from lines 1 through 12. This will be the sum of all your subtractions.

Transfer to 502: Once you have completed Form 502SU, you'll need to transfer the total amount of your subtractions (from Line 13) to the appropriate line on your main Maryland tax return form (usually Form 502). This will reduce your taxable income by the amount you've indicated.

Documentation: Always maintain any documents or proofs related to the subtractions you claim. While you don't need to send them in with your tax return, the Comptroller's office might request them if they review or audit your return.

Review: Before finalizing, take a moment to review all entries to ensure accuracy. Double-check calculations and ensure you haven't missed any eligible subtractions.

Submission: Attach MD Form 502SU to your primary Maryland tax return when submitting. Follow the filing instructions for your primary tax return to know where and how to send in your documents.

Form Versions

2022 Maryland Form 502SU (2022) Fill Out Form
Fillable online Maryland Form 502SU
(5 / 5) 99 votes
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