Home Business Mexico tax plan for riding hailing firms may soon be mandatory: Cabify Business Mexico tax plan for riding hailing firms may soon be mandatory: Cabify By Genpie - May 25, 2019 115 0 Facebook Twitter Google+ Pinterest WhatsApp A tax withholding plan in Mexico for drivers at ride-hailing firms envisaged as voluntary when it was unveiled earlier this week could become obligatory in 2020, Spanish company Cabify said on Friday.