Follow the steps to successfully complete the NC DoR D-403 online.

1. Click ‘Get Form’ button to obtain the form and open it for filling out.
2. Enter the legal name of the partnership in capital letters along with the Federal Employer ID Number. Ensure that you fill in the address details, including apartment number, city, state, and zip code, accurately.
3. Select all applicable options such as 'Initial Return', 'Amended Return', 'Final Return', or 'Short Period' by filling in the circles next to the relevant fields.
4. If the partnership is an LLC, provide the N.C. Secretary of State ID where required. Additionally, indicate if the partnership has nonresident owners, and attach necessary documents such as NC-NPA or NC-PE forms as applicable.
5. Proceed to Part 1, where you will report the partnership's income. Input the figures in accordance with your accounting records, including any adjustments or deductions from the NC-PE form.
6. Complete the Nonapportionable Net Distributive Partnership Income section only if applicable. This requires entering gross amounts and related expenses.
7. In Part 4, provide details for each partner, including name, address, percentage shares, and their respective income attributes. Ensure to attach a schedule if entering details for more than two partners.
8. Review the tax computations for both nonresident partners and taxed partnerships, ensuring all figures are calculated accurately.
9. Fill out Part 5 and Part 6 as necessary, which includes ordinary business income and partners' distributive shares, making sure all information connects correctly.
10. Once all sections are complete, save your changes, and options to download or print the completed form are available. If required, share the form with relevant parties.

Make sure to complete your NC DoR D-403 online to ensure timely and accurate submission.