Stationery and office supplies. Assessor Jeff Prang and his staff walk you step-by-step on how to prepare a Business Personal Property Statement, Form 571-L.Business personal property refers to all other types of property used in a business, such as machinery, equipment, tools, and furniture. County of Los Angeles Office of the Assessor. Personal use property is used for personal enjoyment as opposed to business or investment purposes. This includes the land itself, buildings, trees, minerals, and fixtures that are attached to the land or structures. Today's q a session is to help you prepare your business per personal property statement also known as the 571l. Sales and Use Taxes - What Is Taxable? Retail sales of tangible personal property in California are generally subject to sales tax. Los Angeles County Office of the Assessor - Preparing the Business Personal Property Statement.