Home Residential Property Tax and Assessment Pre-authorized Tax Payment (PTP) Program Frequently Asked Questions Pre-authorized Tax Payment (PTP) Program Frequently Asked Questions The following FAQs apply to those registered in the City of Vaughan’s Pre-authorized Tax Payment (PTP) program: Additional Resources Tribunals Ontario Assessment Review BoardMunicipal Property Assessment Corporation (MPAC) Related Links Assessment InformationFinancial ServicesForms, Applications and ResourcesTax Payments and Assistance