Read through how to apply for a business license. The purpose of filing an FBN is to ensure that consumers have access to the name and address of the owners of a business.Please make your check or money order payable to Contra Costa County Tax Collector. Federal Tax ID or Social Security Number 4. Secretary of State Corporate or LLC Entity Number 5. (Submitting an incomplete application will cause a delay in processing). Exercising in the Cold. Cold weather doesn't have to put a freeze on your outdoor exercise program. 9 shall be the date it is recorded in the Official Records of Contra Costa County, California. RECITALS. Of Contra Costa; Western Council of Engineers; United Chief Officers Assn.