Use this form to remit any estimated payment due at this time.
When to file: file Form 500D on or before the 15th day of the 4th, 6th, 9th and 12th months following the beginning of the tax year or period.
Installments: at least 25% of the total estimated tax must be remitted by each of the installment due dates.
Total: payments for the year must be at least 90% of tax developed for the current year or 110% of tax developed for the prior year to avoid interest and/or penalty.
Short tax period: if the corporation has a short tax period of less than 4 months, it does not have to pay estimated tax nor file Form 500D.
Not for: do not use this form to remit estimated tax for Forms 510, 511 or to remit employer withholding tax.
| Question | Answer |
|---|---|
| Form Name | Form 500D |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 17 |
| Avg. time to fill out | 3 min |
| Where to send | Comptroller of Maryland Revenue Administration Division, 110 Carroll Street, Annapolis, MD 21411-0001 |
| Edition | 05/25 |
| Matches the agency's file | Yes, checked October 8, 2026 |
| Other names | Form 500D, 500D, MD 500D, Maryland Form 500D, Corporation Declaration of Estimated Income Tax |
| Official source | Form 500D (Rev 05/25), Comptroller of Maryland |
Maryland Form 500D isn’t the one you’re looking for?