To file your exemption, submit Form 593 (coming soon) to your escrow agent before closing. Withholding when a trust is on a title.Assessor Jeff Prang and his staff walk you step-by-step on how to prepare a Business Personal Property Statement, Form 571-L. Today's q a session is to help you prepare your business per personal property statement also known as the 571l. Need to fill out the AB63 Alternative Form? If you believe you are not subject to this business tax, complete and return the attached AB63 Alternative Form. County of Los Angeles Office of the Assessor. The City of Los Angeles provides a number of tax exemptions and programs that can eliminate or reduce your tax liability. Why did I receive a Business Property Statement - Form 571-L (BPS)? Add remove Do I have to file this return?