Labor faces tough negotiations to pass its landmark tax changes even after watering down a contentious overhaul of capital gains breaks.
Both the Greens and the coalition criticised the tax changes on Friday as the government looks to the minor, left-wing party to help it ease the reforms through the Senate.
Despite the government announcing carve-outs for startups from the new capital gains regime, Opposition Leader Angus Taylor said the changes would still be toxic for Australia's prosperity and productivity.