Follow the steps to complete your NC NC-40 form online.

1. Click ‘Get Form’ button to access the form and open it in the editor.
2. Begin by completing the worksheet on Page 2 to estimate your income tax for the tax year.
3. Enter your name, address, and social security number in the designated areas on the form. If applicable, include your spouse's information and the tax year you are addressing.
4. Indicate the amount for your payment by entering one-fourth (1/4) of the amount calculated in Line 11 of the worksheet in the ‘Amount of this Payment’ section on the NC-40 form. Be mindful of any previous year’s overpayment you may want to apply.
5. Make your payment via check or money order, ensuring that it is payable to the N.C. Department of Revenue in U.S. currency. Avoid sending cash.
6. Document the last four digits of your social security number, the tax year, and ‘NC-40’ on the memo line of your payment. If filing jointly, provide the last four digits of the primary social security number.
7. Confirm that the courtesy box and legal line on your payment match and include your name, address, and phone number on the payment.
8. Mail the completed form along with your payment to the designated address provided on the form. Ensure not to separate the voucher from the complete form.

Complete your NC NC-40 form online today for a seamless tax payment process.