For fastest service, file online at bizfileOnline.sos.ca.gov. • Complete and include this form with your paper submission.If you mean because you were corporation is doing business in California, I'm not sure this is such a hard form to fill out. How Do I Register My Business? A Certificate of Qualification is essentially a license for a foreign company to "transact business" in California. Learn about Form 5471 filing requirements, who must file, and the penalties for noncompliance. To form a business entity like an LLC or corporation, you must file formation documents with the state and pay a filing fee.