Greens Treasury spokesperson and Senator for Tasmania, Peter Whish-Wilson, says that Barnaby Joyce and Scott Morrison need to take responsibility for the backpacker tax mess and come to Tasmania immediately to see first-hand the impact this tax will have on the Tasmanian economy.

Greens Treasury spokesperson, Senator Peter Whish-Wilson, says the Australia Greens will oppose the Treasury Laws Amendment (Income Tax Relief) Bill being debated in the Federation Chamber of the House of Representatives today.

The Australian Greens have announced a plan to ease the pressure on small business by expanding tax breaks and strengthening the role of the national Small Business Commissioner.

These new initiatives follow yesterday's announcement that the Greens would lower the company tax rate from 30% to 28% for companies with turnovers of less than $2 million dollars.