The Success Rate of Implementation of the Taxpayer's Voluntary Disclosure Program at the Pekanbaru Middle Tax Service Office Deswinda Fitrinisa1, Adianto2 Public Administration Studies Program, Department of Administrative Sciences, Faculty of Social dan Political Sciences, Riau University, Pekanbaru, Riau, Indonesia ABSTRACT Based on Law Number 7 of 2021 concerning Harmonization of Tax Reg…