REVENUE MEMORANDUM CIRCULAR NO. 50-2018 issued on June 8, 2018 provides the most frequently asked questions and the corresponding answer relative to the Income and Withholding Tax provisions of Revenue Regulations (RR) Nos. 8-2018 and 11-2018, as amended by RR Nos. 15-2018 and 14-2018, respectively, implementing Republic Act No. 10963 (Tax Reform for Acceleration and Inclusion [TRAIN] Law).