| State Name | Maryland |
| Business Entity Type | S-Corporations |
| Extension Status | Action Required |
| Return Due Date | March 16, 2026 |
| Extended Due Date | September 15, 2026 |
| Other Information | * Maryland REQUIRES that you file Form 500E by the due date of your return for a 7-month automatic extension. * Extension may be filed online provided you've previously filed a business tax return. * Fiduciary extensions cannot be filed online. |
| Online Payment | Maryland | Online Tax Extension Payment |
| Payment Voucher Form | Online only |
| State Payment Agency | Comptroller of Maryland |
| Mailing Address with Payment | Online only |
| Failure to File Penalties | Up to 25% of the unpaid tax. |
| Failure to Pay Penalties | Up to 25% of the unpaid tax. |
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