Form 518 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by checking the reason for your application at the top of the form. You can select multiple reasons if applicable.
3. Enter your Federal Employer Identification Number (FEIN) on Line 1. If you do not have one, follow the instructions provided to obtain it.
4. Fill in your company name or owner’s full name on Line 2, including any applicable designations like LLC or Corp.
5. Complete Lines 4 to 6 with your legal address, mailing address, and physical address if different from the legal address.
6. On Line 7, enter the Business Ownership Type code that corresponds to your business structure. Refer to the provided list for accurate coding.
7. Continue filling out details about your business activity and products sold in Lines 10 and 11. Ensure all information is accurate for processing.
8. Check all applicable tax types in Lines 12 to 15 and provide estimated payment frequencies as required.
9. Finally, ensure all owners or partners sign where indicated on Lines 28 to 31, certifying that the information is true and complete.

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