Get Form 10580 A

Filling out the Form 10580 A online can simplify the process of changing your address, whether for personal or business purposes. This guide provides clear, step-by-step instructions to ensure users of all backgrounds can complete the form accurately and efficiently.

Follow the steps to successfully complete the Form 10580 A online.

1. Press the 'Get Form' button to access the form and open it in your preferred editing application.
2. In Part I, enter your first name, initial, and last name in the designated fields. Then provide your Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN).
3. If applicable, fill in your partner’s first name, initial, last name, and their SSN or ITIN in the designated fields.
4. For prior names, complete line 3 if you or your partner have changed your name due to marriage, divorce, or other reasons.
5. Input your old address details, including the number and street, city, state, ZIP code, and any apartment or suite number.
6. If applicable, provide your partner’s old address in the same format as the previous step.
7. Enter your new address, including the number and street, city, state, and ZIP code, with any apartment or suite number.
8. If you are changing a business address, move to Part II and check all relevant boxes that apply to your business, estate, or trust returns.
9. Fill in the fields for your business name, California corporation number, Secretary of State file number, and Federal Employer Identification Number (FEIN) if applicable.
10. Provide the old mailing address and new mailing address for the business in the appropriate fields.
11. Complete the new business location address if applicable.
12. In Part III, fill in the daytime telephone number of the person to contact, then go ahead and sign in the designated area. Ensure the date is also provided.
13. If the form affects your partner, ensure they sign as well, including the date of their signature.
14. Once all fields are complete, save your changes, and choose to download, print, or share the form as needed.

Start completing your documents online now to ensure a smooth address change process!