Pauline Hanson's One Nation says it will back Coalition's corporate tax cuts – as it happened

Labor works to counteract government attacks on its tax dividend policy as crossbenchers decide on corporate rate cut. All the days events, live

5.40am GMT

Those company tax negotiations with Derryn Hinch and Tim Storer continue.

Hinch tells us he has nothing more to say on this until Monday, which means no chance of a vote before the Senate-palooza ends this afternoon.

4.49am GMT

In the least shocking news this week, Pauline Hanson has decided One Nation will back the government's tax cuts, after last month ruling out doing that very thing.

Now it is just up to Tim Storer and Derryn Hinch:

EXCLUSIVE: @PaulineHansonOz will vote for the Government's company #tax cuts, in exchange for more cash for apprenticeships for young Australians https://t.co/yC3baiQlCp #auspol pic.twitter.com/YJaIQSqgWa