Follow the steps to complete the MD Form 510/511D online.

1. Click the ‘Get Form’ button to access the form online and open it in the editor.
2. Start by filling in the Federal Employer Identification Number (FEIN) field with the 9-digit number assigned to your entity.
3. Enter the exact name of the pass-through entity in the Name field. If applicable, include any ‘Trading As’ (T/A) name.
4. Complete the Current Mailing Address section by entering the street number and street name or P.O. Box in Line 1, and any additional information in Line 2.
5. Fill in the City or Town, State, and ZIP Code, including the +4 extension if available.
6. Indicate if this is your first time filing or if your mailing address has changed by checking the appropriate box.
7. From the Type of Entity section, check the box that corresponds to your entity type, such as S Corporation, Partnership, Limited Liability Company, or Business Trust.
8. In the Estimated Tax Worksheet, proceed to compute your taxable income and tax liability as detailed, ensuring to follow the calculations outlined for each line.
9. Enter the amounts calculated in the relevant fields of the worksheet, including any special nonresident tax and estimated tax due.
10. Review all entered information for accuracy before proceeding.
11. Once completed, you can save changes, download, print, or share the form as required.

Start filling out your MD Form 510/511D online today to ensure compliance and timely submission.