DOF Opinion No. 007.2018 – BIR Ruling No. 194-2015Request for Review of Bureau of Internal Revenue Ruling No. 194-2015
DOF Opinion No. 006.2018 – BIR Ruling No. 419-2013 Request for Review of Bureau of Internal Revenue Ruling No. 419-2013
DOF Opinion No. 005.2018 – BIR Ruling No. 158-2014Request for Review of Bureau of Internal Revenue Ruling No. 158-2014
DOF Opinion No. 004.2018 – BIR Ruling No. 015-2018 Request for Review of Bureau of Internal Revenue International Tax Affairs Division Ruling No. 015-2018
DOF Opinion No. 003.2018 – BIR Ruling No. 008-2018Request for Review of Bureau of Internal Revenue ITAD Ruling No.008-2018
DOF Opinion No. 002.2018 – BIR Ruling No. 421-2013Request for Review of Bureau of Internal Revenue Ruling No.421-2013
DOF Opinion No. 001.2018 – BIR Ruling No. 267-2017Request for Review of Bureau of Internal Revenue Ruling No.267-2017
