Telecommunications provider Spark said the unexpected tax will have to be passed onto customers.

Latest - An unexpected tax windfall and flat spending has sent the government's budget surplus surging.

The following are three tips to help taxpayers avoid unexpected tax bills (or worse) from their sharing economy income: 1.

I think that someone in a Government awash with millions of unexpected tax revenue should explain (a) to the long-suffering traveller.

In its latest report, the Fiscal Advisory Council warned that using unexpected tax revenue for difficult-to-reverse spending increases was "especially risky".