Maryland Amended Returns: A Guide for Taxpayers
Amended tax returns in Maryland allow taxpayers to correct errors or report additional income, deductions, or credits after filing their original return. Whether you are a resident or nonresident, understanding how to file an amended return is essential for accurate tax reporting.
When to File an Amended Return
- When you discover an error in your original return, such as incorrect income, deductions, or credits.
- To claim a tax credit you missed, such as the Maryland Historic Revitalization Credit or Refundable Business Income Tax Credit.
- If you changed your filing status (e.g., from single to married) after filing the original return.
- To report additional income, such as capital gains or income from the sale of artwork.
Forms Used for Maryland Amended Returns
Depending on your residency status and the nature of the changes, you may need to file one of the following forms:
- Form 502X – For Maryland residents filing an amended return.
- Form 505X – For nonresidents or part-year residents filing an amended return.
Key Instructions for Filing
- Line 1 (Form 502X/505X): Copy income and adjustments from your federal return (Form 1040/1040SR). Ensure reconciliation with Part I of Form 502X or 505X.
- Part III (Form 502X/505X): Provide a detailed explanation of changes, including any filing status changes or residency dates if applicable.
- Capital Gains Tax: If your federal adjusted gross income exceeds $350,000 and you have net capital gains, a 2% additional tax applies. Use Form 502CG to report this.
- Artwork Income: If you sold your own artwork, you may be eligible for a subtraction if your gross income from artwork exceeds 50% of your federal adjusted gross income (as per Form 502AC).
How to File Using OLT Software
If you originally filed using OLT (Online Taxes) software:
- Sign in to your account at www.olt.com.
- Navigate to 'Tax Return Status' and select 'File an Amended Return'.
- Select 'State' and then 'Start or Revisit Maryland State'.
- Choose 'State Amended Return' and update your information through the guided interview.
- OLT will generate Form 502X or Form 505X and any corrected forms.
Note: Amended returns cannot be e-filed and must be printed and mailed to the Maryland Comptroller’s Office.
Important Deadlines and Considerations
- Amended returns must be filed within three years from the original filing date or within two years from the date you paid the tax, whichever is later.
- Changes made on an amended return are subject to audit for up to three years from the date the amended return is filed.
- For business income tax credits (Form 500CR), you must file electronically to claim or change information.
Source:
Form 502X - Maryland Amended Income Tax Return
Form 505X - Maryland Nonresident Amended Tax Return
Form 502CG - Maryland Capital Gain Income
Form 502AC - Artwork Income Subtraction
Disclaimer: Always verify information with official Federal or State Department of Revenue Forms and Instructions before filing.