Fuel retailers will be required to display the full fuel price on petrol boards after new regulations will come in to place in 2018.
The new code of practise regulations will not allow discounted prices to be displayed on the boards.
The Fuel Price Board Regulations will start from May 7, 2018.
Building and Construction minister Guy Barnett made the announcement on Thursday.
“The Code of Practice will make it easier for Tasmanian motorists to accurately determine the price of fuel, recognising that discounted prices are only available in limited circumstances,” Mr Barnett said.
“It also ensures that the price on the Board is the same as the price on the bowser.”
Mr Barnett said the six-month lead-in period is to allow retailers enough time to make changes.