The Personal Property Unit is responsible for the discovery and assessment of all taxable business property, boats, commercial and private aircraft. What is business personal property?What are examples of inventory and supplies? If you need assistance in completing this form, call (909) 387-8307. All questions on this form must be completed and answered. If the question or blank does not apply, write "not applicable" or "none". A claim against the City of San Bernardino must be filed with the City Clerk within 6 months after the incident or event occurred. Be sure your claim is. This is a California Counties and BOE website. The e-Forms Site provides specific and limited support to the filing of California property tax information.