New Accounts Payable Process: Vendor Invoice Management (VIM) New Accounts Payable Process: Vendor Invoice Management (VIM) School Unclaimed Property Imprest Fund Reference Guide 1706.4 (Updated 9/15/2015) 7% State Tax Withholding On All Payments Made to Non-California Resident Vendors, Effective January 1, 2010 Payment of Excess Copy Charges and Miscellaneous Sales/Use Tax LAUSD will not process invoices that do not have a valid contract or purchase order