Liberals start election campaign with TV ad that takes aim at CBD parking tax New South Australian Liberal leader Steven Marshall with his deputy, Vickie Chapman. Picture: Kelly Barnes Source: The Australian TELEVISION viewers have been warned for an early start to the state election as the Liberals begin an advertising campaign against the CBD parking tax. Opposition Leader Steven Marshall today revealed a 30-second advertisement that begins screening tomorrow night. The Liberals have pledged to scrap the tax, estimated to drive up costs to motorists by $2 per day, if they win power. It is planned to come into effect from July 1, 2014, and raise $25m per year. Mr Marshall said the tax would harm the push for city vibrancy the State Government claimed to support. "The last thing businesses and households need is another tax," he said. That is exactly what (Premier Jay) Weatherill plans. A tax that will hurt businesses and add to our ever-increasing cost of living pressures. Mr Marshall has not said how he would pay for the policy but claims savings will be revealed in Opposition costings prior to the state election in March. Mr Weatherill accused the Opposition of joining "big business" in a campaign against the tax. He said the Government planned to use money raised to build park and ride facilities in the suburbs, which allow motorists to leave their cars in at the facilities and catch public transport.